620152320 has 80 divisors (see below), whose sum is σ = 1982574000. Its totient is φ = 165371904.

The previous prime is 620152307. The next prime is 620152369. The reversal of 620152320 is 23251026.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32695 + ... + 48054.

It is an arithmetic number, because the mean of its divisors is an integer number (24782175).

Almost surely, 2^620152320 is an apocalyptic number.

620152320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620152320 is an abundant number, since it is smaller than the sum of its proper divisors (1362421680).

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

620152320 is an equidigital number, since it uses as much as digits as its factorization.

620152320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80775 (or 80759 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 620152320 is about 24902.8576673441. The cubic root of 620152320 is about 852.7717224777.

The spelling of 620152320 in words is "six hundred twenty million, one hundred fifty-two thousand, three hundred twenty".