620613402 has 32 divisors (see below), whose sum is σ = 1254839040. Its totient is φ = 204610560.

The previous prime is 620613391. The next prime is 620613403. The reversal of 620613402 is 204316026.

It is not an unprimeable number, because it can be changed into a prime (620613403) 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, 596799 + ... + 597837.

It is an arithmetic number, because the mean of its divisors is an integer number (39213720).

Almost surely, 2^620613402 is an apocalyptic number.

620613402 is an abundant number, since it is smaller than the sum of its proper divisors (634225638).

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

620613402 is a wasteful number, since it uses less digits than its factorization.

620613402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 620613402 is about 24912.1135594714. The cubic root of 620613402 is about 852.9830148068.

Adding to 620613402 its reverse (204316026), we get a palindrome (824929428).

The spelling of 620613402 in words is "six hundred twenty million, six hundred thirteen thousand, four hundred two".