220887788022 has 64 divisors (see below), whose sum is σ = 536389413120. Its totient is φ = 66822710400.

The previous prime is 220887788021. The next prime is 220887788053.

220887788022 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×220887788022³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 220887788022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220887788021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38697 + ... + 665787.

It is an arithmetic number, because the mean of its divisors is an integer number (8381084580).

Almost surely, 2^220887788022 is an apocalyptic number.

220887788022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 220887788022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268194706560).

220887788022 is an abundant number, since it is smaller than the sum of its proper divisors (315501625098).

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

220887788022 is a wasteful number, since it uses less digits than its factorization.

220887788022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627706 (or 627700 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 54.

The spelling of 220887788022 in words is "two hundred twenty billion, eight hundred eighty-seven million, seven hundred eighty-eight thousand, twenty-two".