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200121000211020 = 223571590592995609
BaseRepresentation
bin101101100000001001001101…
…001000010011001001001100
3222020120101021120212122122110
4231200021031020103021030
5202212240302023223040
61545342152431544020
760103156641200160
oct5540111510231114
9866511246778573
10200121000211020
1158845926525849
121a54095a08b010
138788438758495
14375bc9db30ca0
151820916c68980
hexb6024d21324c

200121000211020 has 96 divisors (see below), whose sum is σ = 640391440550400. Its totient is φ = 45741640057344.

The previous prime is 200121000210979. The next prime is 200121000211051. The reversal of 200121000211020 is 20112000121002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200121000210987 and 200121000211005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65306976 + ... + 68302584.

It is an arithmetic number, because the mean of its divisors is an integer number (6670744172400).

Almost surely, 2200121000211020 is an apocalyptic number.

200121000211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200121000211020 is an abundant number, since it is smaller than the sum of its proper divisors (440270440339380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200121000211020 is a wasteful number, since it uses less digits than its factorization.

200121000211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154687 (or 3154685 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200121000211020 its reverse (20112000121002), we get a palindrome (220233000332022).

The spelling of 200121000211020 in words is "two hundred trillion, one hundred twenty-one billion, two hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 159059 318118 477177 636236 795295 954354 1113413 1590590 1908708 2226826 2385885 2995609 3181180 3340239 4453652 4771770 5567065 5991218 6680478 8986827 9543540 11134130 11982436 13360956 14978045 16701195 17973654 20969263 22268260 29956090 33402390 35947308 41938526 44934135 59912180 62907789 66804780 83877052 89868270 104846315 125815578 179736540 209692630 251631156 314538945 419385260 629077890 1258155780 476478571931 952957143862 1429435715793 1905914287724 2382392859655 2858871431586 3335350003517 4764785719310 5717742863172 6670700007034 7147178578965 9529571438620 10006050010551 13341400014068 14294357157930 16676750017585 20012100021102 28588714315860 33353500035170 40024200042204 50030250052755 66707000070340 100060500105510 200121000211020