220015121771652 has 48 divisors (see below), whose sum is σ = 513637542194112. Its totient is φ = 73299957816960.

The previous prime is 220015121771567. The next prime is 220015121771701. The reversal of 220015121771652 is 256177121510022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455330027 + ... + 1455481197.

It is an arithmetic number, because the mean of its divisors is an integer number (10700782129044).

Almost surely, 2^{220015121771652} is an apocalyptic number.

It is an amenable number.

220015121771652 is an abundant number, since it is smaller than the sum of its proper divisors (293622420422460).

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

220015121771652 is a wasteful number, since it uses less digits than its factorization.

220015121771652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213908 (or 213906 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 220015121771652 in words is "two hundred twenty trillion, fifteen billion, one hundred twenty-one million, seven hundred seventy-one thousand, six hundred fifty-two".