620263203462064 has 20 divisors (see below), whose sum is σ = 1216972108060960. Its totient is φ = 306205885252800.

The previous prime is 620263203462013. The next prime is 620263203462103. The reversal of 620263203462064 is 460264302362026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245357278587 + ... + 245357281114.

It is an arithmetic number, because the mean of its divisors is an integer number (60848605403048).

Almost surely, 2^{620263203462064} is an apocalyptic number.

It is an amenable number.

620263203462064 is a deficient number, since it is larger than the sum of its proper divisors (596708904598896).

620263203462064 is a wasteful number, since it uses less digits than its factorization.

620263203462064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490714559788 (or 490714559782 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 46.

The spelling of 620263203462064 in words is "six hundred twenty trillion, two hundred sixty-three billion, two hundred three million, four hundred sixty-two thousand, sixty-four".