20302025 has 6 divisors (see below), whose sum is σ = 25174542. Its totient is φ = 16241600.

The previous prime is 20302019. The next prime is 20302027. The reversal of 20302025 is 52020302.

It can be written as a sum of positive squares in 3 ways, for example, as 3810304 + 16491721 = 1952^2 + 4061^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20302025 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 406016 + ... + 406065.

It is an arithmetic number, because the mean of its divisors is an integer number (4195757).

Almost surely, 2^20302025 is an apocalyptic number.

20302025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20302025 is a deficient number, since it is larger than the sum of its proper divisors (4872517).

20302025 is an equidigital number, since it uses as much as digits as its factorization.

20302025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812091 (or 812086 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 20302025 is about 4505.7768475591. The cubic root of 20302025 is about 272.8013107911.

Adding to 20302025 its reverse (52020302), we get a palindrome (72322327).

The spelling of 20302025 in words is "twenty million, three hundred two thousand, twenty-five".