20582492 has 24 divisors (see below), whose sum is σ = 42171360. Its totient is φ = 8605440.

The previous prime is 20582483. The next prime is 20582519. The reversal of 20582492 is 29428502.

It is a congruent 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, 7817 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (1757140).

Almost surely, 2^20582492 is an apocalyptic number.

It is an amenable number.

20582492 is an abundant number, since it is smaller than the sum of its proper divisors (21588868).

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

20582492 is a wasteful number, since it uses less digits than its factorization.

20582492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981 (or 17979 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 20582492 is about 4536.7931405344. The cubic root of 20582492 is about 274.0517954900.

The spelling of 20582492 in words is "twenty million, five hundred eighty-two thousand, four hundred ninety-two".