620124426 has 24 divisors (see below), whose sum is σ = 1376375364. Its totient is φ = 201666240.

The previous prime is 620124391. The next prime is 620124469. The reversal of 620124426 is 624421026.

620124426 is a `hidden beast` number, since 620 + 12 + 4 + 4 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 485541225 + 134583201 = 22035^2 + 11601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 620124426.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419401 + ... + 420876.

Almost surely, 2^620124426 is an apocalyptic number.

620124426 is an abundant number, since it is smaller than the sum of its proper divisors (756250938).

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

620124426 is a wasteful number, since it uses less digits than its factorization.

620124426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840326 (or 840323 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 620124426 is about 24902.2976048396. The cubic root of 620124426 is about 852.7589366022.

The spelling of 620124426 in words is "six hundred twenty million, one hundred twenty-four thousand, four hundred twenty-six".