620965968200 has 36 divisors (see below), whose sum is σ = 1443771786795. Its totient is φ = 248381929600.

The previous prime is 620965968173. The next prime is 620965968269. The reversal of 620965968200 is 2869569026.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 600119806276 + 20846161924 = 774674^2 + 144382^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=557210.

It is a super-2 number, since 2×620965968200² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11116340 + ... + 11172060.

Almost surely, 2^620965968200 is an apocalyptic number.

It is an amenable number.

620965968200 is an abundant number, since it is smaller than the sum of its proper divisors (822805818595).

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

620965968200 is an frugal number, since it uses more digits than its factorization.

620965968200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111458 (or 55728 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 620965968200 in words is "six hundred twenty billion, nine hundred sixty-five million, nine hundred sixty-eight thousand, two hundred".