20233133320 has 32 divisors (see below), whose sum is σ = 46993086720. Its totient is φ = 7832180160.

The previous prime is 20233133303. The next prime is 20233133359. The reversal of 20233133320 is 2333133202.

It is a junction number, because it is equal to n+sod(n) for n = 20233133291 and 20233133300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8157282 + ... + 8159761.

It is an arithmetic number, because the mean of its divisors is an integer number (1468533960).

Almost surely, 2^20233133320 is an apocalyptic number.

20233133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233133320 is an abundant number, since it is smaller than the sum of its proper divisors (26759953400).

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

20233133320 is a wasteful number, since it uses less digits than its factorization.

20233133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317085 (or 16317081 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20233133320 its reverse (2333133202), we get a palindrome (22566266522).

The spelling of 20233133320 in words is "twenty billion, two hundred thirty-three million, one hundred thirty-three thousand, three hundred twenty".