620864103200 has 144 divisors (see below), whose sum is σ = 1673397333216. Its totient is φ = 223048396800.

The previous prime is 620864103133. The next prime is 620864103227. The reversal of 620864103200 is 2301468026.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305384 + ... + 1155416.

It is an arithmetic number, because the mean of its divisors is an integer number (11620814814).

Almost surely, 2^620864103200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620864103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836698666608).

620864103200 is an abundant number, since it is smaller than the sum of its proper divisors (1052533230016).

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

620864103200 is a wasteful number, since it uses less digits than its factorization.

620864103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850147 (or 850134 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 620864103200 in words is "six hundred twenty billion, eight hundred sixty-four million, one hundred three thousand, two hundred".