20233625 has 8 divisors (see below), whose sum is σ = 25251720. Its totient is φ = 16186800.

The previous prime is 20233601. The next prime is 20233643. The reversal of 20233625 is 52633202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 20043529 = 436^2 + 4477^2 .

It is not a de Polignac number, because 20233625 - 2¹² = 20229529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20233625.

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, 80810 + ... + 81059.

It is an arithmetic number, because the mean of its divisors is an integer number (3156465).

Almost surely, 2^20233625 is an apocalyptic number.

20233625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20233625 is a deficient number, since it is larger than the sum of its proper divisors (5018095).

20233625 is an equidigital number, since it uses as much as digits as its factorization.

20233625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161884 (or 161874 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 20233625 is about 4498.1801875870. The cubic root of 20233625 is about 272.4945991130.

Adding to 20233625 its reverse (52633202), we get a palindrome (72866827).

The spelling of 20233625 in words is "twenty million, two hundred thirty-three thousand, six hundred twenty-five".