20022431112 has 48 divisors (see below), whose sum is σ = 54991198080. Its totient is φ = 6580140000.

The previous prime is 20022431089. The next prime is 20022431123. The reversal of 20022431112 is 21113422002.

It is a happy number.

20022431112 is a `hidden beast` number, since 200 + 22 + 431 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1953264 + ... + 1963487.

It is an arithmetic number, because the mean of its divisors is an integer number (1145649960).

Almost surely, 2^20022431112 is an apocalyptic number.

It is an amenable number.

20022431112 is an abundant number, since it is smaller than the sum of its proper divisors (34968766968).

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

20022431112 is a wasteful number, since it uses less digits than its factorization.

20022431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916834 (or 3916827 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20022431112 its reverse (21113422002), we get a palindrome (41135853114).

The spelling of 20022431112 in words is "twenty billion, twenty-two million, four hundred thirty-one thousand, one hundred twelve".