620221200704 has 56 divisors (see below), whose sum is σ = 1422377363520. Its totient is φ = 262822450176.

The previous prime is 620221200701. The next prime is 620221200727. The reversal of 620221200704 is 407002122026.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×620221200704² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620221200701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7737782 + ... + 7817525.

Almost surely, 2^620221200704 is an apocalyptic number.

620221200704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

620221200704 is an abundant number, since it is smaller than the sum of its proper divisors (802156162816).

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

620221200704 is a wasteful number, since it uses less digits than its factorization.

620221200704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555415 (or 15555405 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The spelling of 620221200704 in words is "six hundred twenty billion, two hundred twenty-one million, two hundred thousand, seven hundred four".