220802981952 has 56 divisors (see below), whose sum is σ = 667666163776. Its totient is φ = 63086565888.

The previous prime is 220802981929. The next prime is 220802981977. The reversal of 220802981952 is 259189208022.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82142623 + ... + 82145310.

Almost surely, 2^220802981952 is an apocalyptic number.

It is an amenable number.

220802981952 is an abundant number, since it is smaller than the sum of its proper divisors (446863181824).

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

220802981952 is a wasteful number, since it uses less digits than its factorization.

220802981952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164287955 (or 164287945 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 220802981952 in words is "two hundred twenty billion, eight hundred two million, nine hundred eighty-one thousand, nine hundred fifty-two".