20156106156702 has 32 divisors (see below), whose sum is σ = 43129545544320. Its totient is φ = 6260740477920.

The previous prime is 20156106156679. The next prime is 20156106156713. The reversal of 20156106156702 is 20765160165102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449238528 + ... + 1449252435.

It is an arithmetic number, because the mean of its divisors is an integer number (1347798298260).

Almost surely, 2^{20156106156702} is an apocalyptic number.

20156106156702 is an abundant number, since it is smaller than the sum of its proper divisors (22973439387618).

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

20156106156702 is a wasteful number, since it uses less digits than its factorization.

20156106156702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898491048.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 20156106156702 in words is "twenty trillion, one hundred fifty-six billion, one hundred six million, one hundred fifty-six thousand, seven hundred two".