20353502352 has 80 divisors (see below), whose sum is σ = 55538413568. Its totient is φ = 6412936320.

The previous prime is 20353502347. The next prime is 20353502381. The reversal of 20353502352 is 25320535302.

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, 95068 + ... + 223035.

Almost surely, 2^20353502352 is an apocalyptic number.

It is an amenable number.

20353502352 is an abundant number, since it is smaller than the sum of its proper divisors (35184911216).

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

20353502352 is a wasteful number, since it uses less digits than its factorization.

20353502352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318188 (or 318182 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

The spelling of 20353502352 in words is "twenty billion, three hundred fifty-three million, five hundred two thousand, three hundred fifty-two".