20112451332 has 12 divisors (see below), whose sum is σ = 46929053136. Its totient is φ = 6704150440.

The previous prime is 20112451301. The next prime is 20112451367. The reversal of 20112451332 is 23315421102.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838018794 + ... + 838018817.

It is an arithmetic number, because the mean of its divisors is an integer number (3910754428).

Almost surely, 2^20112451332 is an apocalyptic number.

It is an amenable number.

20112451332 is an abundant number, since it is smaller than the sum of its proper divisors (26816601804).

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

20112451332 is a wasteful number, since it uses less digits than its factorization.

20112451332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676037618 (or 1676037616 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 20112451332 its reverse (23315421102), we get a palindrome (43427872434).

The spelling of 20112451332 in words is "twenty billion, one hundred twelve million, four hundred fifty-one thousand, three hundred thirty-two".