20233112004 has 144 divisors (see below), whose sum is σ = 58906393728. Its totient is φ = 5736075264.

The previous prime is 20233111991. The next prime is 20233112033. The reversal of 20233112004 is 40021133202.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33006402 + ... + 33007014.

Almost surely, 2^20233112004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20233112004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29453196864).

20233112004 is an abundant number, since it is smaller than the sum of its proper divisors (38673281724).

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

20233112004 is a wasteful number, since it uses less digits than its factorization.

20233112004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1429 counting only the distinct ones).

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

Adding to 20233112004 its reverse (40021133202), we get a palindrome (60254245206).

The spelling of 20233112004 in words is "twenty billion, two hundred thirty-three million, one hundred twelve thousand, four".