20068242 has 16 divisors (see below), whose sum is σ = 40736352. Its totient is φ = 6589440.

The previous prime is 20068219. The next prime is 20068247. The reversal of 20068242 is 24286002.

It is not an unprimeable number, because it can be changed into a prime (20068247) 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, 24559 + ... + 25362.

It is an arithmetic number, because the mean of its divisors is an integer number (2546022).

Almost surely, 2^20068242 is an apocalyptic number.

20068242 is an abundant number, since it is smaller than the sum of its proper divisors (20668110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20068242 is a wasteful number, since it uses less digits than its factorization.

20068242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49993.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20068242 is about 4479.7591453113. The cubic root of 20068242 is about 271.7501399974.

The spelling of 20068242 in words is "twenty million, sixty-eight thousand, two hundred forty-two".