20136274932 has 36 divisors (see below), whose sum is σ = 48660693536. Its totient is φ = 6480636960.

The previous prime is 20136274913. The next prime is 20136274979. The reversal of 20136274932 is 23947263102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987544 + ... + 1007727.

Almost surely, 2^20136274932 is an apocalyptic number.

It is an amenable number.

20136274932 is an abundant number, since it is smaller than the sum of its proper divisors (28524418604).

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

20136274932 is a wasteful number, since it uses less digits than its factorization.

20136274932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995336 (or 1995305 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 20136274932 in words is "twenty billion, one hundred thirty-six million, two hundred seventy-four thousand, nine hundred thirty-two".