20043325 has 6 divisors (see below), whose sum is σ = 24853754. Its totient is φ = 16034640.

The previous prime is 20043311. The next prime is 20043337. The reversal of 20043325 is 52334002.

It can be written as a sum of positive squares in 3 ways, for example, as 205209 + 19838116 = 453^2 + 4454^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20043325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400842 + ... + 400891.

Almost surely, 2^20043325 is an apocalyptic number.

20043325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20043325 is a deficient number, since it is larger than the sum of its proper divisors (4810429).

20043325 is an equidigital number, since it uses as much as digits as its factorization.

20043325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801743 (or 801738 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 20043325 is about 4476.9772168283. The cubic root of 20043325 is about 271.6376238707.

Adding to 20043325 its reverse (52334002), we get a palindrome (72377327).

It can be divided in two parts, 2004 and 3325, that added together give a square (5329 = 73²).

The spelling of 20043325 in words is "twenty million, forty-three thousand, three hundred twenty-five".