20752025 has 12 divisors (see below), whose sum is σ = 29408832. Its totient is φ = 14229840.

The previous prime is 20752021. The next prime is 20752031. The reversal of 20752025 is 52025702.

It is not a de Polignac number, because 20752025 - 2² = 20752021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20752021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59117 + ... + 59466.

It is an arithmetic number, because the mean of its divisors is an integer number (2450736).

Almost surely, 2^20752025 is an apocalyptic number.

20752025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20752025 is a deficient number, since it is larger than the sum of its proper divisors (8656807).

20752025 is a wasteful number, since it uses less digits than its factorization.

20752025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118600 (or 118595 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 20752025 is about 4555.4390567760. The cubic root of 20752025 is about 274.8021717710.

Adding to 20752025 its reverse (52025702), we get a palindrome (72777727).

The spelling of 20752025 in words is "twenty million, seven hundred fifty-two thousand, twenty-five".