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1202001022220 = 2251012392489749
BaseRepresentation
bin10001011111011100110…
…110000000110100001100
311020220120111222120102112
4101133130312000310030
5124143144230202340
62320105221243152
7152561464053035
oct21373466006414
94226514876375
101202001022220
11423847271769
12174b578634b8
138946b02c41b
144226a1aba8c
1521400701065
hex117dcd80d0c

1202001022220 has 48 divisors (see below), whose sum is σ = 2559861360000. Its totient is φ = 474048019200.

The previous prime is 1202001022217. The next prime is 1202001022231. The reversal of 1202001022220 is 222201002021.

It is a junction number, because it is equal to n+sod(n) for n = 1202001022195 and 1202001022204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762095 + ... + 1727654.

It is an arithmetic number, because the mean of its divisors is an integer number (53330445000).

Almost surely, 21202001022220 is an apocalyptic number.

1202001022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202001022220 is an abundant number, since it is smaller than the sum of its proper divisors (1357860337780).

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

1202001022220 is a wasteful number, since it uses less digits than its factorization.

1202001022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490098 (or 2490096 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1202001022220 its reverse (222201002021), we get a palindrome (1424202024241).

The spelling of 1202001022220 in words is "one trillion, two hundred two billion, one million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 239 404 478 505 956 1010 1195 2020 2390 4780 24139 48278 96556 120695 241390 482780 2489749 4979498 9958996 12448745 24897490 49794980 251464649 502929298 595050011 1005858596 1190100022 1257323245 2380200044 2514646490 2975250055 5029292980 5950500110 11901000220 60100051111 120200102222 240400204444 300500255555 601000511110 1202001022220