620109250 has 32 divisors (see below), whose sum is σ = 1170044928. Its totient is φ = 246078000.

The previous prime is 620109239. The next prime is 620109271. The reversal of 620109250 is 52901026.

620109250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21985 + ... + 41515.

It is an arithmetic number, because the mean of its divisors is an integer number (36563904).

Almost surely, 2^620109250 is an apocalyptic number.

620109250 is a deficient number, since it is larger than the sum of its proper divisors (549935678).

620109250 is a wasteful number, since it uses less digits than its factorization.

620109250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19675 (or 19665 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 620109250 is about 24901.9928921362. The cubic root of 620109250 is about 852.7519801621.

The spelling of 620109250 in words is "six hundred twenty million, one hundred nine thousand, two hundred fifty".