20312333000 has 64 divisors (see below), whose sum is σ = 47556288000. Its totient is φ = 8120587200.

The previous prime is 20312332993. The next prime is 20312333003. The reversal of 20312333000 is 33321302.

It is a self number, because there is not a number n which added to its sum of digits gives 20312333000.

It is not an unprimeable number, because it can be changed into a prime (20312333003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394767 + ... + 2403233.

It is an arithmetic number, because the mean of its divisors is an integer number (743067000).

Almost surely, 2^20312333000 is an apocalyptic number.

20312333000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20312333000 is an abundant number, since it is smaller than the sum of its proper divisors (27243955000).

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

20312333000 is a wasteful number, since it uses less digits than its factorization.

20312333000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887 (or 10873 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20312333000 its reverse (33321302), we get a palindrome (20345654302).

The spelling of 20312333000 in words is "twenty billion, three hundred twelve million, three hundred thirty-three thousand".