20525196 has 24 divisors (see below), whose sum is σ = 48026160. Its totient is φ = 6822592.

The previous prime is 20525189. The next prime is 20525213. The reversal of 20525196 is 69152502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470 + ... + 6866.

It is an arithmetic number, because the mean of its divisors is an integer number (2001090).

Almost surely, 2^20525196 is an apocalyptic number.

It is an amenable number.

20525196 is an abundant number, since it is smaller than the sum of its proper divisors (27500964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20525196 is a wasteful number, since it uses less digits than its factorization.

20525196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793 (or 4791 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 20525196 is about 4530.4741473713. The cubic root of 20525196 is about 273.7972642063.

Adding to 20525196 its reverse (69152502), we get a palindrome (89677698).

The spelling of 20525196 in words is "twenty million, five hundred twenty-five thousand, one hundred ninety-six".