620683044 has 12 divisors (see below), whose sum is σ = 1448260464. Its totient is φ = 206894344.

The previous prime is 620683043. The next prime is 620683067. The reversal of 620683044 is 440386026.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×620683044² = 770494882218211872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620682996 and 620683014.

It is not an unprimeable number, because it can be changed into a prime (620683043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25861782 + ... + 25861805.

It is an arithmetic number, because the mean of its divisors is an integer number (120688372).

Almost surely, 2^620683044 is an apocalyptic number.

It is an amenable number.

620683044 is an abundant number, since it is smaller than the sum of its proper divisors (827577420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620683044 is a wasteful number, since it uses less digits than its factorization.

620683044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51723594 (or 51723592 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 620683044 is about 24913.5112740055. The cubic root of 620683044 is about 853.0149193822.

The spelling of 620683044 in words is "six hundred twenty million, six hundred eighty-three thousand, forty-four".