620735616402 has 16 divisors (see below), whose sum is σ = 1354332254112. Its totient is φ = 188101701920.

The previous prime is 620735616373. The next prime is 620735616433. The reversal of 620735616402 is 204616537026.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4702542483 + ... + 4702542614.

It is an arithmetic number, because the mean of its divisors is an integer number (84645765882).

Almost surely, 2^620735616402 is an apocalyptic number.

620735616402 is an abundant number, since it is smaller than the sum of its proper divisors (733596637710).

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

620735616402 is a wasteful number, since it uses less digits than its factorization.

620735616402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405085113.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 620735616402 in words is "six hundred twenty billion, seven hundred thirty-five million, six hundred sixteen thousand, four hundred two".