220012432 has 20 divisors (see below), whose sum is σ = 427472640. Its totient is φ = 109696928.

The previous prime is 220012427. The next prime is 220012433. The reversal of 220012432 is 234210022.

220012432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (220012433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13408 + ... + 24895.

It is an arithmetic number, because the mean of its divisors is an integer number (21373632).

Almost surely, 2^220012432 is an apocalyptic number.

It is an amenable number.

220012432 is a deficient number, since it is larger than the sum of its proper divisors (207460208).

220012432 is a wasteful number, since it uses less digits than its factorization.

220012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38670 (or 38664 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220012432 is about 14832.8160509055. The cubic root of 220012432 is about 603.6924446218.

Adding to 220012432 its reverse (234210022), we get a palindrome (454222454).

The spelling of 220012432 in words is "two hundred twenty million, twelve thousand, four hundred thirty-two".