20353885336 has 16 divisors (see below), whose sum is σ = 38183639040. Its totient is φ = 10171581600.

The previous prime is 20353885319. The next prime is 20353885367. The reversal of 20353885336 is 63358835302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653976 + ... + 684391.

It is an arithmetic number, because the mean of its divisors is an integer number (2386477440).

Almost surely, 2^20353885336 is an apocalyptic number.

It is an amenable number.

20353885336 is a deficient number, since it is larger than the sum of its proper divisors (17829753704).

20353885336 is a wasteful number, since it uses less digits than its factorization.

20353885336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340274 (or 1340270 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 20353885336 in words is "twenty billion, three hundred fifty-three million, eight hundred eighty-five thousand, three hundred thirty-six".