20825514 has 24 divisors (see below), whose sum is σ = 45208800. Its totient is φ = 6928488.

The previous prime is 20825503. The next prime is 20825551. The reversal of 20825514 is 41552802.

It is a happy number.

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, 14187 + ... + 15585.

It is an arithmetic number, because the mean of its divisors is an integer number (1883700).

Almost surely, 2^20825514 is an apocalyptic number.

20825514 is an abundant number, since it is smaller than the sum of its proper divisors (24383286).

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

20825514 is a wasteful number, since it uses less digits than its factorization.

20825514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 20825514 is about 4563.4980004378. The cubic root of 20825514 is about 275.1261746070.

The spelling of 20825514 in words is "twenty million, eight hundred twenty-five thousand, five hundred fourteen".