220131340412 has 72 divisors (see below), whose sum is σ = 411950448000. Its totient is φ = 102702269472.

The previous prime is 220131340391. The next prime is 220131340421. The reversal of 220131340412 is 214043131022.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104873339 + ... + 104875437.

It is an arithmetic number, because the mean of its divisors is an integer number (5721534000).

Almost surely, 2^220131340412 is an apocalyptic number.

It is an amenable number.

220131340412 is a deficient number, since it is larger than the sum of its proper divisors (191819107588).

220131340412 is a wasteful number, since it uses less digits than its factorization.

220131340412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 220131340412 its reverse (214043131022), we get a palindrome (434174471434).

The spelling of 220131340412 in words is "two hundred twenty billion, one hundred thirty-one million, three hundred forty thousand, four hundred twelve".