20150242 has 16 divisors (see below), whose sum is σ = 34961472. Its totient is φ = 8531280.

The previous prime is 20150233. The next prime is 20150257. The reversal of 20150242 is 24205102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7509 + ... + 9832.

It is an arithmetic number, because the mean of its divisors is an integer number (2185092).

Almost surely, 2^20150242 is an apocalyptic number.

20150242 is a deficient number, since it is larger than the sum of its proper divisors (14811230).

20150242 is a wasteful number, since it uses less digits than its factorization.

20150242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17433.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20150242 is about 4488.9020929399. The cubic root of 20150242 is about 272.1197659569.

Adding to 20150242 its reverse (24205102), we get a palindrome (44355344).

The spelling of 20150242 in words is "twenty million, one hundred fifty thousand, two hundred forty-two".