20052842 has 8 divisors (see below), whose sum is σ = 30166500. Its totient is φ = 9997344.

The previous prime is 20052821. The next prime is 20052869. The reversal of 20052842 is 24825002.

It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 63001 = 4471^2 + 251^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13667 + ... + 15062.

Almost surely, 2^20052842 is an apocalyptic number.

20052842 is a deficient number, since it is larger than the sum of its proper divisors (10113658).

20052842 is a wasteful number, since it uses less digits than its factorization.

20052842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29080.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 20052842 is about 4478.0399730239. The cubic root of 20052842 is about 271.6806101884.

Adding to 20052842 its reverse (24825002), we get a palindrome (44877844).

The spelling of 20052842 in words is "twenty million, fifty-two thousand, eight hundred forty-two".