620570220 has 24 divisors (see below), whose sum is σ = 1737596784. Its totient is φ = 165485376.

The previous prime is 620570213. The next prime is 620570221. The reversal of 620570220 is 22075026.

It is not an unprimeable number, because it can be changed into a prime (620570221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5171359 + ... + 5171478.

It is an arithmetic number, because the mean of its divisors is an integer number (72399866).

Almost surely, 2^620570220 is an apocalyptic number.

620570220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620570220 is an abundant number, since it is smaller than the sum of its proper divisors (1117026564).

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

620570220 is a wasteful number, since it uses less digits than its factorization.

620570220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342849 (or 10342847 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 620570220 is about 24911.2468575943. The cubic root of 620570220 is about 852.9632309571.

The spelling of 620570220 in words is "six hundred twenty million, five hundred seventy thousand, two hundred twenty".