2000020188957 has 16 divisors (see below), whose sum is σ = 3075609905280. Its totient is φ = 1132383644352.

The previous prime is 2000020188883. The next prime is 2000020188961. The reversal of 2000020188957 is 7598810200002.

It is not a de Polignac number, because 2000020188957 - 2⁸ = 2000020188701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000020388957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436874118 + ... + 436878695.

It is an arithmetic number, because the mean of its divisors is an integer number (192225619080).

Almost surely, 2^{2000020188957} is an apocalyptic number.

It is an amenable number.

2000020188957 is a deficient number, since it is larger than the sum of its proper divisors (1075589716323).

2000020188957 is a wasteful number, since it uses less digits than its factorization.

2000020188957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873752932.

The product of its (nonzero) digits is 80640, while the sum is 42.

Adding to 2000020188957 its reverse (7598810200002), we get a palindrome (9598830388959).

The spelling of 2000020188957 in words is "two trillion, twenty million, one hundred eighty-eight thousand, nine hundred fifty-seven".