620354032 has 20 divisors (see below), whose sum is σ = 1202523480. Its totient is φ = 310025408.

The previous prime is 620354027. The next prime is 620354041. The reversal of 620354032 is 230453026.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 620353988 and 620354006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29019 + ... + 45637.

It is an arithmetic number, because the mean of its divisors is an integer number (60126174).

Almost surely, 2^620354032 is an apocalyptic number.

It is an amenable number.

620354032 is a deficient number, since it is larger than the sum of its proper divisors (582169448).

620354032 is a wasteful number, since it uses less digits than its factorization.

620354032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18960 (or 18954 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 620354032 is about 24906.9073150401. The cubic root of 620354032 is about 852.8641705412.

The spelling of 620354032 in words is "six hundred twenty million, three hundred fifty-four thousand, thirty-two".