620706120 has 32 divisors (see below), whose sum is σ = 1862118720. Its totient is φ = 165521600.

The previous prime is 620706109. The next prime is 620706133. The reversal of 620706120 is 21607026.

It is a happy number.

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

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, 2586156 + ... + 2586395.

It is an arithmetic number, because the mean of its divisors is an integer number (58191210).

Almost surely, 2^620706120 is an apocalyptic number.

620706120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620706120 is an abundant number, since it is smaller than the sum of its proper divisors (1241412600).

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

620706120 is a wasteful number, since it uses less digits than its factorization.

620706120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172565 (or 5172561 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 620706120 is about 24913.9743918950. The cubic root of 620706120 is about 853.0254904934.

The spelling of 620706120 in words is "six hundred twenty million, seven hundred six thousand, one hundred twenty".