20045731876 has 12 divisors (see below), whose sum is σ = 35603613808. Its totient is φ = 9873270792.

The previous prime is 20045731819. The next prime is 20045731877. The reversal of 20045731876 is 67813754002.

It is a super-3 number, since 3×20045731876³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20045731877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37398486 + ... + 37399021.

Almost surely, 2^20045731876 is an apocalyptic number.

It is an amenable number.

20045731876 is a deficient number, since it is larger than the sum of its proper divisors (15557881932).

20045731876 is a wasteful number, since it uses less digits than its factorization.

20045731876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74797578 (or 74797576 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 20045731876 in words is "twenty billion, forty-five million, seven hundred thirty-one thousand, eight hundred seventy-six".