620056320 has 144 divisors (see below), whose sum is σ = 2132807712. Its totient is φ = 152616960.

The previous prime is 620056319. The next prime is 620056369. The reversal of 620056320 is 23650026.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43710 + ... + 56130.

Almost surely, 2^620056320 is an apocalyptic number.

620056320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620056320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066403856).

620056320 is an abundant number, since it is smaller than the sum of its proper divisors (1512751392).

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

620056320 is a wasteful number, since it uses less digits than its factorization.

620056320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12458 (or 12444 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 620056320 is about 24900.9301031106. The cubic root of 620056320 is about 852.7277169931.

The spelling of 620056320 in words is "six hundred twenty million, fifty-six thousand, three hundred twenty".