20652525 has 36 divisors (see below), whose sum is σ = 38945920. Its totient is φ = 10432800.

The previous prime is 20652523. The next prime is 20652547. The reversal of 20652525 is 52525602.

20652525 is a `hidden beast` number, since 2 + 0 + 652 + 5 + 2 + 5 = 666.

It is not a de Polignac number, because 20652525 - 2¹ = 20652523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20652521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1860 + ... + 6690.

Almost surely, 2^20652525 is an apocalyptic number.

20652525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20652525 is a deficient number, since it is larger than the sum of its proper divisors (18293395).

20652525 is a wasteful number, since it uses less digits than its factorization.

20652525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866 (or 4858 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 20652525 is about 4544.5049235313. The cubic root of 20652525 is about 274.3622687866.

It can be divided in two parts, 2065 and 2525, that multiplied together give a palindrome (5214125).

The spelling of 20652525 in words is "twenty million, six hundred fifty-two thousand, five hundred twenty-five".