220503611538912 has 192 divisors, whose sum is σ = 624786220800000. Its totient is φ = 67690671003648.

The previous prime is 220503611538907. The next prime is 220503611539019. The reversal of 220503611538912 is 219835116305022.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2110454289 + ... + 2110558767.

It is an arithmetic number, because the mean of its divisors is an integer number (3254094900000).

Almost surely, 2^{220503611538912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220503611538912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312393110400000).

220503611538912 is an abundant number, since it is smaller than the sum of its proper divisors (404282609261088).

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

220503611538912 is a wasteful number, since it uses less digits than its factorization.

220503611538912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108393 (or 108385 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 220503611538912 in words is "two hundred twenty trillion, five hundred three billion, six hundred eleven million, five hundred thirty-eight thousand, nine hundred twelve".