20525448 has 32 divisors (see below), whose sum is σ = 52509600. Its totient is φ = 6682368.

The previous prime is 20525437. The next prime is 20525459. The reversal of 20525448 is 84452502.

It is an interprime number because it is at equal distance from previous prime (20525437) and next prime (20525459).

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, 8913 + ... + 10976.

It is an arithmetic number, because the mean of its divisors is an integer number (1640925).

Almost surely, 2^20525448 is an apocalyptic number.

It is an amenable number.

20525448 is an abundant number, since it is smaller than the sum of its proper divisors (31984152).

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

20525448 is a wasteful number, since it uses less digits than its factorization.

20525448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19941 (or 19937 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 20525448 is about 4530.5019589445. The cubic root of 20525448 is about 273.7983847255.

The spelling of 20525448 in words is "twenty million, five hundred twenty-five thousand, four hundred forty-eight".