20232500 has 30 divisors (see below), whose sum is σ = 44249898. Its totient is φ = 8092000.

The previous prime is 20232493. The next prime is 20232521. The reversal of 20232500 is 523202.

It can be written as a sum of positive squares in 5 ways, for example, as 8549776 + 11682724 = 2924^2 + 3418^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1547 + ... + 6546.

Almost surely, 2^20232500 is an apocalyptic number.

20232500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232500 is an abundant number, since it is smaller than the sum of its proper divisors (24017398).

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

20232500 is an equidigital number, since it uses as much as digits as its factorization.

20232500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117 (or 8100 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 20232500 is about 4498.0551352779. The cubic root of 20232500 is about 272.4895487392.

Adding to 20232500 its reverse (523202), we get a palindrome (20755702).

The spelling of 20232500 in words is "twenty million, two hundred thirty-two thousand, five hundred".