20104325 has 12 divisors (see below), whose sum is σ = 24985380. Its totient is φ = 16047360.

The previous prime is 20104313. The next prime is 20104333. The reversal of 20104325 is 52340102.

It can be written as a sum of positive squares in 6 ways, for example, as 1216609 + 18887716 = 1103^2 + 4346^2 .

It is not a de Polignac number, because 20104325 - 2¹⁰ = 20103301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19421 + ... + 20429.

It is an arithmetic number, because the mean of its divisors is an integer number (2082115).

Almost surely, 2^20104325 is an apocalyptic number.

20104325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20104325 is a deficient number, since it is larger than the sum of its proper divisors (4881055).

20104325 is a wasteful number, since it uses less digits than its factorization.

20104325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20104325 is about 4483.7846736881. The cubic root of 20104325 is about 271.9129127557.

Adding to 20104325 its reverse (52340102), we get a palindrome (72444427).

The spelling of 20104325 in words is "twenty million, one hundred four thousand, three hundred twenty-five".