20825068 has 36 divisors (see below), whose sum is σ = 42431256. Its totient is φ = 8905600.

The previous prime is 20825047. The next prime is 20825071. The reversal of 20825068 is 86052802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6963 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (1178646).

Almost surely, 2^20825068 is an apocalyptic number.

It is an amenable number.

20825068 is an abundant number, since it is smaller than the sum of its proper divisors (21606188).

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

20825068 is a wasteful number, since it uses less digits than its factorization.

20825068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 20825068 is about 4563.4491341528. The cubic root of 20825068 is about 275.1242105554.

The spelling of 20825068 in words is "twenty million, eight hundred twenty-five thousand, sixty-eight".