20112322304 has 36 divisors (see below), whose sum is σ = 40543618920. Its totient is φ = 9956582400.

The previous prime is 20112322271. The next prime is 20112322309. The reversal of 20112322304 is 40322321102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112322309) 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, 363074 + ... + 414785.

Almost surely, 2^20112322304 is an apocalyptic number.

It is an amenable number.

20112322304 is an abundant number, since it is smaller than the sum of its proper divisors (20431296616).

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

20112322304 is an equidigital number, since it uses as much as digits as its factorization.

20112322304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777976 (or 777962 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20112322304 its reverse (40322321102), we get a palindrome (60434643406).

The spelling of 20112322304 in words is "twenty billion, one hundred twelve million, three hundred twenty-two thousand, three hundred four".