620531153304 has 128 divisors (see below), whose sum is σ = 1637039289600. Its totient is φ = 195710860800.

The previous prime is 620531153293. The next prime is 620531153327. The reversal of 620531153304 is 403351135026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32562579 + ... + 32581629.

It is an arithmetic number, because the mean of its divisors is an integer number (12789369450).

Almost surely, 2^620531153304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620531153304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818519644800).

620531153304 is an abundant number, since it is smaller than the sum of its proper divisors (1016508136296).

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

620531153304 is a wasteful number, since it uses less digits than its factorization.

620531153304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20025 (or 20021 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 620531153304 in words is "six hundred twenty billion, five hundred thirty-one million, one hundred fifty-three thousand, three hundred four".