20053925 has 12 divisors (see below), whose sum is σ = 25149060. Its totient is φ = 15861120.

The previous prime is 20053883. The next prime is 20053927. The reversal of 20053925 is 52935002.

It can be written as a sum of positive squares in 6 ways, for example, as 2067844 + 17986081 = 1438^2 + 4241^2 .

It is not a de Polignac number, because 20053925 - 2¹² = 20049829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20053894 and 20053903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2282 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (2095755).

Almost surely, 2^20053925 is an apocalyptic number.

20053925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20053925 is a deficient number, since it is larger than the sum of its proper divisors (5095135).

20053925 is an equidigital number, since it uses as much as digits as its factorization.

20053925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112 (or 9107 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 20053925 is about 4478.1608948317. The cubic root of 20053925 is about 271.6855010131.

Adding to 20053925 its reverse (52935002), we get a palindrome (72988927).

The spelling of 20053925 in words is "twenty million, fifty-three thousand, nine hundred twenty-five".