20377760039 has 32 divisors (see below), whose sum is σ = 26650705536. Its totient is φ = 15120322560.

The previous prime is 20377760009. The next prime is 20377760047. The reversal of 20377760039 is 93006777302.

It is a de Polignac number, because none of the positive numbers 2^k-20377760039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377760009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411269 + ... + 458145.

It is an arithmetic number, because the mean of its divisors is an integer number (832834548).

Almost surely, 2^20377760039 is an apocalyptic number.

20377760039 is a deficient number, since it is larger than the sum of its proper divisors (6272945497).

20377760039 is a wasteful number, since it uses less digits than its factorization.

20377760039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47195.

The product of its (nonzero) digits is 333396, while the sum is 44.

The spelling of 20377760039 in words is "twenty billion, three hundred seventy-seven million, seven hundred sixty thousand, thirty-nine".