20332287657788 has 12 divisors (see below), whose sum is σ = 36449344947792. Its totient is φ = 9918189101280.

The previous prime is 20332287657763. The next prime is 20332287657809. The reversal of 20332287657788 is 88775678223302.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

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, 61988681720 + ... + 61988682047.

It is an arithmetic number, because the mean of its divisors is an integer number (3037445412316).

Almost surely, 2^{20332287657788} is an apocalyptic number.

It is an amenable number.

20332287657788 is a deficient number, since it is larger than the sum of its proper divisors (16117057290004).

20332287657788 is a wasteful number, since it uses less digits than its factorization.

20332287657788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123977363812 (or 123977363810 counting only the distinct ones).

The product of its (nonzero) digits is 379330560, while the sum is 68.

The spelling of 20332287657788 in words is "twenty trillion, three hundred thirty-two billion, two hundred eighty-seven million, six hundred fifty-seven thousand, seven hundred eighty-eight".