20107042 has 8 divisors (see below), whose sum is σ = 30453696. Its totient is φ = 9955812.

The previous prime is 20107019. The next prime is 20107049. The reversal of 20107042 is 24070102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20107049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48598 + ... + 49009.

It is an arithmetic number, because the mean of its divisors is an integer number (3806712).

Almost surely, 2^20107042 is an apocalyptic number.

20107042 is a deficient number, since it is larger than the sum of its proper divisors (10346654).

20107042 is a wasteful number, since it uses less digits than its factorization.

20107042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97712.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 20107042 is about 4484.0876441033. The cubic root of 20107042 is about 271.9251614320.

Adding to 20107042 its reverse (24070102), we get a palindrome (44177144).

The spelling of 20107042 in words is "twenty million, one hundred seven thousand, forty-two".