2520654820 has 24 divisors (see below), whose sum is σ = 5325856704. Its totient is φ = 1002074976.

The previous prime is 2520654811. The next prime is 2520654823. The reversal of 2520654820 is 284560252.

2520654820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2520654823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383344 + ... + 389863.

It is an arithmetic number, because the mean of its divisors is an integer number (221910696).

Almost surely, 2^2520654820 is an apocalyptic number.

2520654820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520654820 is an abundant number, since it is smaller than the sum of its proper divisors (2805201884).

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

2520654820 is a wasteful number, since it uses less digits than its factorization.

2520654820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773379 (or 773377 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 2520654820 is about 50206.1233317212. The cubic root of 2520654820 is about 1360.9362821785.

The spelling of 2520654820 in words is "two billion, five hundred twenty million, six hundred fifty-four thousand, eight hundred twenty".