220818056631060 has 96 divisors (see below), whose sum is σ = 706619770036992. Its totient is φ = 50472556600320.

The previous prime is 220818056631047. The next prime is 220818056631119. The reversal of 220818056631060 is 60136650818022.

It is a happy number.

It is a super-2 number, since 2×220818056631060² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248474064 + ... + 249361176.

It is an arithmetic number, because the mean of its divisors is an integer number (7360622604552).

Almost surely, 2^{220818056631060} is an apocalyptic number.

220818056631060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220818056631060 is an abundant number, since it is smaller than the sum of its proper divisors (485801713405932).

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

220818056631060 is a wasteful number, since it uses less digits than its factorization.

220818056631060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479793 (or 1479791 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 220818056631060 in words is "two hundred twenty trillion, eight hundred eighteen billion, fifty-six million, six hundred thirty-one thousand, sixty".