20142044 has 24 divisors (see below), whose sum is σ = 38196480. Its totient is φ = 9238464.

The previous prime is 20142019. The next prime is 20142047. The reversal of 20142044 is 44024102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142047) 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, 7877 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (1591520).

Almost surely, 2^20142044 is an apocalyptic number.

It is an amenable number.

20142044 is a deficient number, since it is larger than the sum of its proper divisors (18054436).

20142044 is a wasteful number, since it uses less digits than its factorization.

20142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 20142044 is about 4487.9888591662. The cubic root of 20142044 is about 272.0828575426.

Adding to 20142044 its reverse (44024102), we get a palindrome (64166146).

The spelling of 20142044 in words is "twenty million, one hundred forty-two thousand, forty-four".