220746647022 has 32 divisors (see below), whose sum is σ = 492829729920. Its totient is φ = 65337273120.

The previous prime is 220746647021. The next prime is 220746647027.

220746647022 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×220746647022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220746647021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38888397 + ... + 38894072.

It is an arithmetic number, because the mean of its divisors is an integer number (15400929060).

Almost surely, 2^220746647022 is an apocalyptic number.

220746647022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220746647022 is an abundant number, since it is smaller than the sum of its proper divisors (272083082898).

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

220746647022 is a wasteful number, since it uses less digits than its factorization.

220746647022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77782528.

The product of its (nonzero) digits is 451584, while the sum is 42.

It can be divided in two parts, 220746 and 647022, that added together give a palindrome (867768).

The spelling of 220746647022 in words is "two hundred twenty billion, seven hundred forty-six million, six hundred forty-seven thousand, twenty-two".