20393813232 has 100 divisors (see below), whose sum is σ = 63566096440. Its totient is φ = 6275014272.

The previous prime is 20393813203. The next prime is 20393813257. The reversal of 20393813232 is 23231839302.

20393813232 is a `hidden beast` number, since 20 + 393 + 8 + 13 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 588382 + ... + 622077.

Almost surely, 2^20393813232 is an apocalyptic number.

It is an amenable number.

20393813232 is an abundant number, since it is smaller than the sum of its proper divisors (43172283208).

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

20393813232 is a wasteful number, since it uses less digits than its factorization.

20393813232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210492 (or 1210477 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 20393813232 in words is "twenty billion, three hundred ninety-three million, eight hundred thirteen thousand, two hundred thirty-two".