620630468670 has 32 divisors (see below), whose sum is σ = 1499000480928. Its totient is φ = 164447307648.

The previous prime is 620630468621. The next prime is 620630468737. The reversal of 620630468670 is 76864036026.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65879629 + ... + 65889048.

It is an arithmetic number, because the mean of its divisors is an integer number (46843765029).

Almost surely, 2^620630468670 is an apocalyptic number.

620630468670 is an abundant number, since it is smaller than the sum of its proper divisors (878370012258).

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

620630468670 is a wasteful number, since it uses less digits than its factorization.

620630468670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131768844.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 620630468670 in words is "six hundred twenty billion, six hundred thirty million, four hundred sixty-eight thousand, six hundred seventy".