626122020 has 48 divisors (see below), whose sum is σ = 1777845888. Its totient is φ = 164613120.

The previous prime is 626121997. The next prime is 626122043. The reversal of 626122020 is 20221626.

It is an interprime number because it is at equal distance from previous prime (626121997) and next prime (626122043).

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, 69229 + ... + 77748.

It is an arithmetic number, because the mean of its divisors is an integer number (37038456).

Almost surely, 2^626122020 is an apocalyptic number.

626122020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

626122020 is an abundant number, since it is smaller than the sum of its proper divisors (1151723868).

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

626122020 is a wasteful number, since it uses less digits than its factorization.

626122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147060 (or 147058 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 626122020 is about 25022.4303375991. The cubic root of 626122020 is about 855.4993013993.

Adding to 626122020 its reverse (20221626), we get a palindrome (646343646).

The spelling of 626122020 in words is "six hundred twenty-six million, one hundred twenty-two thousand, twenty".