20233120 has 24 divisors (see below), whose sum is σ = 47801124. Its totient is φ = 8093184.

The previous prime is 20233099. The next prime is 20233127. The reversal of 20233120 is 2133202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19465744 + 767376 = 4412^2 + 876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20233120.

It is not an unprimeable number, because it can be changed into a prime (20233127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63069 + ... + 63388.

Almost surely, 2^20233120 is an apocalyptic number.

20233120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233120 is an abundant number, since it is smaller than the sum of its proper divisors (27568004).

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

20233120 is a wasteful number, since it uses less digits than its factorization.

20233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126472 (or 126464 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20233120 is about 4498.1240534249. The cubic root of 20233120 is about 272.4923320795.

Adding to 20233120 its reverse (2133202), we get a palindrome (22366322).

The spelling of 20233120 in words is "twenty million, two hundred thirty-three thousand, one hundred twenty".