620467537720 has 64 divisors (see below), whose sum is σ = 1402658208000. Its totient is φ = 247013127168.

The previous prime is 620467537709. The next prime is 620467537733. The reversal of 620467537720 is 27735764026.

It is a congruent number.

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, 58590186 + ... + 58600774.

It is an arithmetic number, because the mean of its divisors is an integer number (21916534500).

Almost surely, 2^620467537720 is an apocalyptic number.

It is an amenable number.

620467537720 is an abundant number, since it is smaller than the sum of its proper divisors (782190670280).

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

620467537720 is a wasteful number, since it uses less digits than its factorization.

620467537720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17392 (or 17388 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 620467537720 in words is "six hundred twenty billion, four hundred sixty-seven million, five hundred thirty-seven thousand, seven hundred twenty".