20356125155202 has 16 divisors (see below), whose sum is σ = 40712296243680. Its totient is φ = 6785367396192.

The previous prime is 20356125155123. The next prime is 20356125155227. The reversal of 20356125155202 is 20255152165302.

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 7 ways as a sum of consecutive naturals, for example, 7147173 + ... + 9580935.

It is an arithmetic number, because the mean of its divisors is an integer number (2544518515230).

Almost surely, 2^{20356125155202} is an apocalyptic number.

20356125155202 is an abundant number, since it is smaller than the sum of its proper divisors (20356171088478).

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

20356125155202 is a wasteful number, since it uses less digits than its factorization.

20356125155202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827777.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 20356125155202 in words is "twenty trillion, three hundred fifty-six billion, one hundred twenty-five million, one hundred fifty-five thousand, two hundred two".