220374557676 has 144 divisors (see below), whose sum is σ = 687577800000. Its totient is φ = 57953926656.

The previous prime is 220374557629. The next prime is 220374557693. The reversal of 220374557676 is 676755473022.

It is a happy number.

220374557676 is a `hidden beast` number, since 2 + 20 + 3 + 7 + 4 + 557 + 67 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1046950 + ... + 1239698.

Almost surely, 2^220374557676 is an apocalyptic number.

220374557676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220374557676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343788900000).

220374557676 is an abundant number, since it is smaller than the sum of its proper divisors (467203242324).

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

220374557676 is a wasteful number, since it uses less digits than its factorization.

220374557676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193128 (or 193123 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 54.

The spelling of 220374557676 in words is "two hundred twenty billion, three hundred seventy-four million, five hundred fifty-seven thousand, six hundred seventy-six".