20052575 has 6 divisors (see below), whose sum is σ = 24865224. Its totient is φ = 16042040.

The previous prime is 20052559. The next prime is 20052583. The reversal of 20052575 is 57525002.

It is not a de Polignac number, because 20052575 - 2⁴ = 20052559 is a prime.

It is a Duffinian number.

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, 401027 + ... + 401076.

It is an arithmetic number, because the mean of its divisors is an integer number (4144204).

Almost surely, 2^20052575 is an apocalyptic number.

20052575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20052575 is a deficient number, since it is larger than the sum of its proper divisors (4812649).

20052575 is an equidigital number, since it uses as much as digits as its factorization.

20052575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802113 (or 802108 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 20052575 is about 4478.0101607745. The cubic root of 20052575 is about 271.6794043902.

Adding to 20052575 its reverse (57525002), we get a palindrome (77577577).

The spelling of 20052575 in words is "twenty million, fifty-two thousand, five hundred seventy-five".