20026525 has 6 divisors (see below), whose sum is σ = 24832922. Its totient is φ = 16021200.

The previous prime is 20026499. The next prime is 20026543. The reversal of 20026525 is 52562002.

It can be written as a sum of positive squares in 3 ways, for example, as 7080921 + 12945604 = 2661^2 + 3598^2 .

It is not a de Polignac number, because 20026525 - 2⁷ = 20026397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20026496 and 20026505.

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, 400506 + ... + 400555.

Almost surely, 2^20026525 is an apocalyptic number.

20026525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20026525 is a deficient number, since it is larger than the sum of its proper divisors (4806397).

20026525 is an equidigital number, since it uses as much as digits as its factorization.

20026525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801071 (or 801066 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 20026525 is about 4475.1005575294. The cubic root of 20026525 is about 271.5617085274.

Adding to 20026525 its reverse (52562002), we get a palindrome (72588527).

The spelling of 20026525 in words is "twenty million, twenty-six thousand, five hundred twenty-five".