20365142 has 16 divisors (see below), whose sum is σ = 35050752. Its totient is φ = 8693160.

The previous prime is 20365141. The next prime is 20365157. The reversal of 20365142 is 24156302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20365141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917 + ... + 6447.

It is an arithmetic number, because the mean of its divisors is an integer number (2190672).

Almost surely, 2^20365142 is an apocalyptic number.

20365142 is a deficient number, since it is larger than the sum of its proper divisors (14685610).

20365142 is a wasteful number, since it uses less digits than its factorization.

20365142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20365142 is about 4512.7754209577. The cubic root of 20365142 is about 273.0837224824.

The spelling of 20365142 in words is "twenty million, three hundred sixty-five thousand, one hundred forty-two".