2522620020 has 24 divisors (see below), whose sum is σ = 7063336224. Its totient is φ = 672698656.

The previous prime is 2522620007. The next prime is 2522620039. The reversal of 2522620020 is 200262252.

It is a super-2 number, since 2×2522620020² = 12727223530609600800, which contains 22 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21021774 + ... + 21021893.

It is an arithmetic number, because the mean of its divisors is an integer number (294305676).

Almost surely, 2^2522620020 is an apocalyptic number.

2522620020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522620020 is an abundant number, since it is smaller than the sum of its proper divisors (4540716204).

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

2522620020 is a wasteful number, since it uses less digits than its factorization.

2522620020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42043679 (or 42043677 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2522620020 is about 50225.6908364634. The cubic root of 2522620020 is about 1361.2898698270.

Adding to 2522620020 its reverse (200262252), we get a palindrome (2722882272).

The spelling of 2522620020 in words is "two billion, five hundred twenty-two million, six hundred twenty thousand, twenty".