620502036 has 144 divisors (see below), whose sum is σ = 1864383360. Its totient is φ = 157132800.

The previous prime is 620502017. The next prime is 620502079. The reversal of 620502036 is 630205026.

It is a super-4 number, since 4×620502036⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620501997 and 620502015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415980 + ... + 417468.

Almost surely, 2^620502036 is an apocalyptic number.

620502036 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620502036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932191680).

620502036 is an abundant number, since it is smaller than the sum of its proper divisors (1243881324).

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

620502036 is a wasteful number, since it uses less digits than its factorization.

620502036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 620502036 is about 24909.8782815172. The cubic root of 620502036 is about 852.9319905628.

The spelling of 620502036 in words is "six hundred twenty million, five hundred two thousand, thirty-six".