2575660020 has 48 divisors (see below), whose sum is σ = 7215324480. Its totient is φ = 686511616.

The previous prime is 2575660013. The next prime is 2575660049. The reversal of 2575660020 is 200665752.

It is a super-4 number, since 4×2575660020⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131164 + ... + 149516.

It is an arithmetic number, because the mean of its divisors is an integer number (150319260).

Almost surely, 2^2575660020 is an apocalyptic number.

2575660020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575660020 is an abundant number, since it is smaller than the sum of its proper divisors (4639664460).

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

2575660020 is a wasteful number, since it uses less digits than its factorization.

2575660020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20704 (or 20702 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2575660020 is about 50750.9607790828. The cubic root of 2575660020 is about 1370.7644906460.

The spelling of 2575660020 in words is "two billion, five hundred seventy-five million, six hundred sixty thousand, twenty".