220187616815380 has 48 divisors (see below), whose sum is σ = 462732899973120. Its totient is φ = 88010497447808.

The previous prime is 220187616815347. The next prime is 220187616815447. The reversal of 220187616815380 is 83518616781022.

It is a super-2 number, since 2×220187616815380² (a number of 29 digits) contains 22 as substring.

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, 1041004914 + ... + 1041216406.

It is an arithmetic number, because the mean of its divisors is an integer number (9640268749440).

Almost surely, 2^{220187616815380} is an apocalyptic number.

220187616815380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220187616815380 is an abundant number, since it is smaller than the sum of its proper divisors (242545283157740).

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

220187616815380 is a wasteful number, since it uses less digits than its factorization.

220187616815380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249408 (or 249406 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 220187616815380 in words is "two hundred twenty trillion, one hundred eighty-seven billion, six hundred sixteen million, eight hundred fifteen thousand, three hundred eighty".