620602136 has 64 divisors (see below), whose sum is σ = 1536122880. Its totient is φ = 227566080.

The previous prime is 620602109. The next prime is 620602139. The reversal of 620602136 is 631206026.

620602136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×620602136² = 770294022415524992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620602139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19160 + ... + 40103.

It is an arithmetic number, because the mean of its divisors is an integer number (24001920).

Almost surely, 2^620602136 is an apocalyptic number.

It is an amenable number.

620602136 is an abundant number, since it is smaller than the sum of its proper divisors (915520744).

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

620602136 is a wasteful number, since it uses less digits than its factorization.

620602136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59304 (or 59300 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 620602136 is about 24911.8874435479. The cubic root of 620602136 is about 852.9778533731.

The spelling of 620602136 in words is "six hundred twenty million, six hundred two thousand, one hundred thirty-six".