20302606156 has 24 divisors (see below), whose sum is σ = 41595585696. Its totient is φ = 8488894080.

The previous prime is 20302606147. The next prime is 20302606183. The reversal of 20302606156 is 65160620302.

It is a super-3 number, since 3×20302606156³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8841451 + ... + 8843746.

It is an arithmetic number, because the mean of its divisors is an integer number (1733149404).

Almost surely, 2^20302606156 is an apocalyptic number.

It is an amenable number.

20302606156 is an abundant number, since it is smaller than the sum of its proper divisors (21292979540).

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

20302606156 is a wasteful number, since it uses less digits than its factorization.

20302606156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17685249 (or 17685247 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 20302606156 in words is "twenty billion, three hundred two million, six hundred six thousand, one hundred fifty-six".