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102200102202020 = 225101137369300073
BaseRepresentation
bin10111001111001101010000…
…110010011010101010100100
3111101212020022211202110120012
4113033031100302122222210
5101343421302130431040
61001210025004225352
730345466543250354
oct2717152062325244
9441766284673505
10102200102202020
112a622902384039
12b56709353b258
134504574c31344
141b34723188b64
15bc36d4bad865
hex5cf350c9aaa4

102200102202020 has 48 divisors (see below), whose sum is σ = 218327249348208. Its totient is φ = 40179847833600.

The previous prime is 102200102202019. The next prime is 102200102202091. The reversal of 102200102202020 is 20202201002201.

It can be written as a sum of positive squares in 8 ways, for example, as 31646385262144 + 70553716939876 = 5625512^2 + 8399626^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102200102201986 and 102200102202004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184373297 + ... + 184926776.

It is an arithmetic number, because the mean of its divisors is an integer number (4548484361421).

Almost surely, 2102200102202020 is an apocalyptic number.

102200102202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200102202020 is an abundant number, since it is smaller than the sum of its proper divisors (116127147146188).

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

102200102202020 is a wasteful number, since it uses less digits than its factorization.

102200102202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369300320 (or 369300318 counting only the distinct ones).

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

Adding to 102200102202020 its reverse (20202201002201), we get a palindrome (122402303204221).

The spelling of 102200102202020 in words is "one hundred two trillion, two hundred billion, one hundred two million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 101 137 202 274 404 505 548 685 1010 1370 2020 2740 13837 27674 55348 69185 138370 276740 369300073 738600146 1477200292 1846500365 3693000730 7386001460 37299307373 50594110001 74598614746 101188220002 149197229492 186496536865 202376440004 252970550005 372993073730 505941100010 745986147460 1011882200020 5110005110101 10220010220202 20440020440404 25550025550505 51100051101010 102200102202020