620871950 has 24 divisors (see below), whose sum is σ = 1158280032. Its totient is φ = 247605120.

The previous prime is 620871907. The next prime is 620871967. The reversal of 620871950 is 59178026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1574 + ... + 35273.

It is an arithmetic number, because the mean of its divisors is an integer number (48261668).

Almost surely, 2^620871950 is an apocalyptic number.

620871950 is a deficient number, since it is larger than the sum of its proper divisors (537408082).

620871950 is a wasteful number, since it uses less digits than its factorization.

620871950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37196 (or 37191 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 620871950 is about 24917.3022215488. The cubic root of 620871950 is about 853.1014494789.

The spelling of 620871950 in words is "six hundred twenty million, eight hundred seventy-one thousand, nine hundred fifty".