220012443144 has 72 divisors (see below), whose sum is σ = 645228835290. Its totient is φ = 67696132608.

The previous prime is 220012443127. The next prime is 220012443163. The reversal of 220012443144 is 441344210022.

220012443144 is a `hidden beast` number, since 2 + 200 + 1 + 2 + 443 + 14 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 158115979044 + 61896464100 = 397638^2 + 248790^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9028449 + ... + 9052784.

Almost surely, 2^220012443144 is an apocalyptic number.

220012443144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220012443144 is an abundant number, since it is smaller than the sum of its proper divisors (425216392146).

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

220012443144 is a wasteful number, since it uses less digits than its factorization.

220012443144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18081271 (or 18081251 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 220012443144 its reverse (441344210022), we get a palindrome (661356653166).

The spelling of 220012443144 in words is "two hundred twenty billion, twelve million, four hundred forty-three thousand, one hundred forty-four".