202130025 has 24 divisors (see below), whose sum is σ = 336835584. Its totient is φ = 106948800.

The previous prime is 202130023. The next prime is 202130039. The reversal of 202130025 is 520031202.

It is not a de Polignac number, because 202130025 - 2¹ = 202130023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 202129986 and 202130013.

It is not an unprimeable number, because it can be changed into a prime (202130023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086 + ... + 20135.

It is an arithmetic number, because the mean of its divisors is an integer number (14034816).

Almost surely, 2^202130025 is an apocalyptic number.

202130025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202130025 is a deficient number, since it is larger than the sum of its proper divisors (134705559).

202130025 is a wasteful number, since it uses less digits than its factorization.

202130025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21361 (or 21356 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 202130025 is about 14217.2439312266. The cubic root of 202130025 is about 586.8722977439.

Adding to 202130025 its reverse (520031202), we get a palindrome (722161227).

The spelling of 202130025 in words is "two hundred two million, one hundred thirty thousand, twenty-five".