20377056576 has 56 divisors (see below), whose sum is σ = 53938590624. Its totient is φ = 6789291520.

The previous prime is 20377056551. The next prime is 20377056643. The reversal of 20377056576 is 67565077302.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425191 + ... + 470681.

Almost surely, 2^20377056576 is an apocalyptic number.

It is an amenable number.

20377056576 is an abundant number, since it is smaller than the sum of its proper divisors (33561534048).

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

20377056576 is a wasteful number, since it uses less digits than its factorization.

20377056576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47839 (or 47829 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 48.

The spelling of 20377056576 in words is "twenty billion, three hundred seventy-seven million, fifty-six thousand, five hundred seventy-six".