620236804 has 36 divisors (see below), whose sum is σ = 1234226700. Its totient is φ = 272198080.

The previous prime is 620236801. The next prime is 620236847. The reversal of 620236804 is 408632026.

It can be written as a sum of positive squares in 2 ways, for example, as 116683204 + 503553600 = 10802^2 + 22440^2 .

It is a super-2 number, since 2×620236804² = 769387386072268832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (620236801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8059 + ... + 36130.

It is an arithmetic number, because the mean of its divisors is an integer number (34284075).

Almost surely, 2^620236804 is an apocalyptic number.

It is an amenable number.

620236804 is a deficient number, since it is larger than the sum of its proper divisors (613989896).

620236804 is a wasteful number, since it uses less digits than its factorization.

620236804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44244 (or 44231 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 620236804 is about 24904.5538807665. The cubic root of 620236804 is about 852.8104453809.

The spelling of 620236804 in words is "six hundred twenty million, two hundred thirty-six thousand, eight hundred four".