2020457726529 has 32 divisors (see below), whose sum is σ = 2960589381120. Its totient is φ = 1215462518400.

The previous prime is 2020457726509. The next prime is 2020457726531. The reversal of 2020457726529 is 9256277540202.

It is a de Polignac number, because none of the positive numbers 2^k-2020457726529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020457726509) 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, 72950574 + ... + 72978264.

It is an arithmetic number, because the mean of its divisors is an integer number (92518418160).

Almost surely, 2^{2020457726529} is an apocalyptic number.

It is an amenable number.

2020457726529 is a deficient number, since it is larger than the sum of its proper divisors (940131654591).

2020457726529 is a wasteful number, since it uses less digits than its factorization.

2020457726529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43981.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 2020457726529 in words is "two trillion, twenty billion, four hundred fifty-seven million, seven hundred twenty-six thousand, five hundred twenty-nine".