620427244 has 24 divisors (see below), whose sum is σ = 1115125200. Its totient is φ = 301924800.

The previous prime is 620427221. The next prime is 620427251. The reversal of 620427244 is 442724026.

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, 10822 + ... + 36850.

It is an arithmetic number, because the mean of its divisors is an integer number (46463550).

Almost surely, 2^620427244 is an apocalyptic number.

It is an amenable number.

620427244 is a deficient number, since it is larger than the sum of its proper divisors (494697956).

620427244 is a wasteful number, since it uses less digits than its factorization.

620427244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26193 (or 26191 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 620427244 is about 24908.3769844605. The cubic root of 620427244 is about 852.8977198976.

The spelling of 620427244 in words is "six hundred twenty million, four hundred twenty-seven thousand, two hundred forty-four".