20112032304 has 240 divisors, whose sum is σ = 72921721600. Its totient is φ = 5025037824.

The previous prime is 20112032261. The next prime is 20112032309. The reversal of 20112032304 is 40323021102.

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

It is not an unprimeable number, because it can be changed into a prime (20112032309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208587 + ... + 289365.

Almost surely, 2^20112032304 is an apocalyptic number.

20112032304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20112032304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36460860800).

20112032304 is an abundant number, since it is smaller than the sum of its proper divisors (52809689296).

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

20112032304 is a wasteful number, since it uses less digits than its factorization.

20112032304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80832 (or 80823 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20112032304 its reverse (40323021102), we get a palindrome (60435053406).

The spelling of 20112032304 in words is "twenty billion, one hundred twelve million, thirty-two thousand, three hundred four".