220421352511320 has 64 divisors (see below), whose sum is σ = 662913095228640. Its totient is φ = 58632446208000.

The previous prime is 220421352511303. The next prime is 220421352511357. The reversal of 220421352511320 is 23115253124022.

220421352511320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2290281811 + ... + 2290378050.

Almost surely, 2^{220421352511320} is an apocalyptic number.

220421352511320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220421352511320 is an abundant number, since it is smaller than the sum of its proper divisors (442491742717320).

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

220421352511320 is a wasteful number, since it uses less digits than its factorization.

220421352511320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580660276 (or 4580660272 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 220421352511320 in words is "two hundred twenty trillion, four hundred twenty-one billion, three hundred fifty-two million, five hundred eleven thousand, three hundred twenty".