220220132412 has 48 divisors (see below), whose sum is σ = 621798024960. Its totient is φ = 59218858752.

The previous prime is 220220132399. The next prime is 220220132507. The reversal of 220220132412 is 214231022022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77106462 + ... + 77109317.

It is an arithmetic number, because the mean of its divisors is an integer number (12954125520).

Almost surely, 2^220220132412 is an apocalyptic number.

It is an amenable number.

220220132412 is an abundant number, since it is smaller than the sum of its proper divisors (401577892548).

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

220220132412 is a wasteful number, since it uses less digits than its factorization.

220220132412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154215810 (or 154215808 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 220220132412 its reverse (214231022022), we get a palindrome (434451154434).

The spelling of 220220132412 in words is "two hundred twenty billion, two hundred twenty million, one hundred thirty-two thousand, four hundred twelve".