20382042 has 16 divisors (see below), whose sum is σ = 41866272. Its totient is φ = 6610320.

The previous prime is 20382029. The next prime is 20382059. The reversal of 20382042 is 24028302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45684 + ... + 46127.

It is an arithmetic number, because the mean of its divisors is an integer number (2616642).

Almost surely, 2^20382042 is an apocalyptic number.

20382042 is an abundant number, since it is smaller than the sum of its proper divisors (21484230).

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

20382042 is a wasteful number, since it uses less digits than its factorization.

20382042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91853.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20382042 is about 4514.6474945448. The cubic root of 20382042 is about 273.1592410471.

The spelling of 20382042 in words is "twenty million, three hundred eighty-two thousand, forty-two".