20112400032 has 48 divisors (see below), whose sum is σ = 52804124352. Its totient is φ = 6702981120.

The previous prime is 20112400031. The next prime is 20112400037. The reversal of 20112400032 is 23000421102.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 20112399984 and 20112400020.

It is not an unprimeable number, because it can be changed into a prime (20112400031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686157 + ... + 714867.

It is an arithmetic number, because the mean of its divisors is an integer number (1100085924).

Almost surely, 2^20112400032 is an apocalyptic number.

It is an amenable number.

20112400032 is an abundant number, since it is smaller than the sum of its proper divisors (32691724320).

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

20112400032 is a wasteful number, since it uses less digits than its factorization.

20112400032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36021 (or 36013 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20112400032 its reverse (23000421102), we get a palindrome (43112821134).

The spelling of 20112400032 in words is "twenty billion, one hundred twelve million, four hundred thousand, thirty-two".