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20000110101210 = 2325638573480017
BaseRepresentation
bin1001000110000101000110…
…11101010100001011011010
32121210222210001122020010100
410203002203131110023122
510110140211141214320
6110311531310000230
74132650241614441
oct443024335241332
977728701566110
1020000110101210
116410aa9828778
1222b01a44a6076
13b21005053195
144d2020b1bd58
1524a3ae883790
hex1230a37542da

20000110101210 has 48 divisors (see below), whose sum is σ = 52001115529896. Its totient is φ = 5333277640704.

The previous prime is 20000110101161. The next prime is 20000110101211. The reversal of 20000110101210 is 1210101100002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15160035300921 + 4840074800289 = 3893589^2 + 2200017^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20000110101192 and 20000110101201.

It is not an unprimeable number, because it can be changed into a prime (20000110101211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4007122 + ... + 7487138.

Almost surely, 220000110101210 is an apocalyptic number.

20000110101210 is an abundant number, since it is smaller than the sum of its proper divisors (32001005428686).

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

20000110101210 is a wasteful number, since it uses less digits than its factorization.

20000110101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543887 (or 3543884 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20000110101210 its reverse (1210101100002), we get a palindrome (21210211201212).

The spelling of 20000110101210 in words is "twenty trillion, one hundred ten million, one hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 63857 127714 191571 319285 383142 574713 638570 957855 1149426 1915710 2873565 3480017 5747130 6960034 10440051 17400085 20880102 31320153 34800170 52200255 62640306 104400510 156600765 313201530 222223445569 444446891138 666670336707 1111117227845 1333340673414 2000011010121 2222234455690 3333351683535 4000022020242 6666703367070 10000055050605 20000110101210