20052252525 has 12 divisors (see below), whose sum is σ = 33153057632. Its totient is φ = 10694534640.

The previous prime is 20052252487. The next prime is 20052252551. The reversal of 20052252525 is 52525225002.

It is not a de Polignac number, because 20052252525 - 2²¹ = 20050155373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20052252492 and 20052252501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133681609 + ... + 133681758.

Almost surely, 2^20052252525 is an apocalyptic number.

20052252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20052252525 is a deficient number, since it is larger than the sum of its proper divisors (13100805107).

20052252525 is a wasteful number, since it uses less digits than its factorization.

20052252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267363380 (or 267363375 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

Adding to 20052252525 its reverse (52525225002), we get a palindrome (72577477527).

The spelling of 20052252525 in words is "twenty billion, fifty-two million, two hundred fifty-two thousand, five hundred twenty-five".