20382494 has 32 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 8862400.

The previous prime is 20382487. The next prime is 20382499. The reversal of 20382494 is 49428302.

It is a self number, because there is not a number n which added to its sum of digits gives 20382494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53027 + ... + 53409.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 2^20382494 is an apocalyptic number.

20382494 is a deficient number, since it is larger than the sum of its proper divisors (14453986).

20382494 is a wasteful number, since it uses less digits than its factorization.

20382494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 20382494 is about 4514.6975535466. The cubic root of 20382494 is about 273.1612602603.

The spelling of 20382494 in words is "twenty million, three hundred eighty-two thousand, four hundred ninety-four".