20377606113 has 12 divisors (see below), whose sum is σ = 29457902500. Its totient is φ = 13574186496.

The previous prime is 20377606091. The next prime is 20377606129. The reversal of 20377606113 is 31160677302.

20377606113 is a `hidden beast` number, since 2 + 0 + 37 + 7 + 6 + 0 + 611 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4493289024 + 15884317089 = 67032^2 + 126033^2 .

It is not a de Polignac number, because 20377606113 - 2²⁵ = 20344051681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20377606013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 895156 + ... + 917637.

Almost surely, 2^20377606113 is an apocalyptic number.

It is an amenable number.

20377606113 is a deficient number, since it is larger than the sum of its proper divisors (9080296387).

20377606113 is a wasteful number, since it uses less digits than its factorization.

20377606113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814048 (or 1814045 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 20377606113 in words is "twenty billion, three hundred seventy-seven million, six hundred six thousand, one hundred thirteen".