620620605 has 48 divisors (see below), whose sum is σ = 1176664320. Its totient is φ = 300105600.

The previous prime is 620620537. The next prime is 620620607. The reversal of 620620605 is 506026026.

It is not a de Polignac number, because 620620605 - 2⁸ = 620620349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620620607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211891 + ... + 214799.

It is an arithmetic number, because the mean of its divisors is an integer number (24513840).

Almost surely, 2^620620605 is an apocalyptic number.

It is an amenable number.

620620605 is a deficient number, since it is larger than the sum of its proper divisors (556043715).

620620605 is a wasteful number, since it uses less digits than its factorization.

620620605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 620620605 is about 24912.2581272754. The cubic root of 620620605 is about 852.9863147747.

The spelling of 620620605 in words is "six hundred twenty million, six hundred twenty thousand, six hundred five".