20052507 has 16 divisors (see below), whose sum is σ = 27377280. Its totient is φ = 13051392.

The previous prime is 20052479. The next prime is 20052521. The reversal of 20052507 is 70525002.

It is not a de Polignac number, because 20052507 - 2¹² = 20048411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20052587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33868 + ... + 34454.

It is an arithmetic number, because the mean of its divisors is an integer number (1711080).

Almost surely, 2^20052507 is an apocalyptic number.

20052507 is a deficient number, since it is larger than the sum of its proper divisors (7324773).

20052507 is a wasteful number, since it uses less digits than its factorization.

20052507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 20052507 is about 4478.0025681100. The cubic root of 20052507 is about 271.6790972938.

Adding to 20052507 its reverse (70525002), we get a palindrome (90577509).

The spelling of 20052507 in words is "twenty million, fifty-two thousand, five hundred seven".