20292017136 has 20 divisors (see below), whose sum is σ = 52421044392. Its totient is φ = 6764005696.

The previous prime is 20292017131. The next prime is 20292017143. The reversal of 20292017136 is 63171029202.

It is a junction number, because it is equal to n+sod(n) for n = 20292017097 and 20292017106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20292017131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211375131 + ... + 211375226.

Almost surely, 2^20292017136 is an apocalyptic number.

It is an amenable number.

20292017136 is an abundant number, since it is smaller than the sum of its proper divisors (32129027256).

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

20292017136 is a wasteful number, since it uses less digits than its factorization.

20292017136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422750368 (or 422750362 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 20292017136 in words is "twenty billion, two hundred ninety-two million, seventeen thousand, one hundred thirty-six".