20252007 has 6 divisors (see below), whose sum is σ = 29252912. Its totient is φ = 13501332.

The previous prime is 20251993. The next prime is 20252017. The reversal of 20252007 is 70025202.

It is a happy number.

It is not a de Polignac number, because 20252007 - 2¹⁸ = 19989863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1125103 + ... + 1125120.

Almost surely, 2^20252007 is an apocalyptic number.

20252007 is a deficient number, since it is larger than the sum of its proper divisors (9000905).

20252007 is a wasteful number, since it uses less digits than its factorization.

20252007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250229 (or 2250226 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 20252007 is about 4500.2229944748. Note that the first 3 decimals coincide. The cubic root of 20252007 is about 272.5770934694.

Adding to 20252007 its reverse (70025202), we get a palindrome (90277209).

The spelling of 20252007 in words is "twenty million, two hundred fifty-two thousand, seven".