2577972020 has 48 divisors (see below), whose sum is σ = 6083683200. Its totient is φ = 910478976.

The previous prime is 2577972017. The next prime is 2577972031. The reversal of 2577972020 is 202797752.

2577972020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209570 + ... + 221529.

It is an arithmetic number, because the mean of its divisors is an integer number (126743400).

Almost surely, 2^2577972020 is an apocalyptic number.

2577972020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2577972020 is an abundant number, since it is smaller than the sum of its proper divisors (3505711180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2577972020 is a wasteful number, since it uses less digits than its factorization.

2577972020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431144 (or 431142 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 2577972020 is about 50773.7335637237. The cubic root of 2577972020 is about 1371.1745162559.

The spelling of 2577972020 in words is "two billion, five hundred seventy-seven million, nine hundred seventy-two thousand, twenty".