20233321320 has 64 divisors (see below), whose sum is σ = 60728310720. Its totient is φ = 5393032704.

The previous prime is 20233321301. The next prime is 20233321343. The reversal of 20233321320 is 2312333202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226092 + ... + 302628.

It is an arithmetic number, because the mean of its divisors is an integer number (948879855).

Almost surely, 2^20233321320 is an apocalyptic number.

20233321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233321320 is an abundant number, since it is smaller than the sum of its proper divisors (40494989400).

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

20233321320 is a wasteful number, since it uses less digits than its factorization.

20233321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78754 (or 78750 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20233321320 its reverse (2312333202), we get a palindrome (22545654522).

The spelling of 20233321320 in words is "twenty billion, two hundred thirty-three million, three hundred twenty-one thousand, three hundred twenty".