620426002630 has 16 divisors (see below), whose sum is σ = 1276304919840. Its totient is φ = 212717486592.

The previous prime is 620426002619. The next prime is 620426002633. The reversal of 620426002630 is 36200624026.

It is a junction number, because it is equal to n+sod(n) for n = 620426002592 and 620426002601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620426002633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4431614235 + ... + 4431614374.

It is an arithmetic number, because the mean of its divisors is an integer number (79769057490).

Almost surely, 2^620426002630 is an apocalyptic number.

620426002630 is an abundant number, since it is smaller than the sum of its proper divisors (655878917210).

620426002630 is a wasteful number, since it uses less digits than its factorization.

620426002630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8863228623.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 620426002630 its reverse (36200624026), we get a palindrome (656626626656).

The spelling of 620426002630 in words is "six hundred twenty billion, four hundred twenty-six million, two thousand, six hundred thirty".