20365377776 has 40 divisors (see below), whose sum is σ = 39572717184. Its totient is φ = 10153118720.

The previous prime is 20365377763. The next prime is 20365377793. The reversal of 20365377776 is 67777356302.

It is a super-2 number, since 2×20365377776² (a number of 21 digits) contains 22 as substring.

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, 11832596 + ... + 11834316.

Almost surely, 2^20365377776 is an apocalyptic number.

It is an amenable number.

20365377776 is a deficient number, since it is larger than the sum of its proper divisors (19207339408).

20365377776 is a wasteful number, since it uses less digits than its factorization.

20365377776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 7779240, while the sum is 53.

The spelling of 20365377776 in words is "twenty billion, three hundred sixty-five million, three hundred seventy-seven thousand, seven hundred seventy-six".