20242144239 has 16 divisors (see below), whose sum is σ = 28592504928. Its totient is φ = 12694126592.

The previous prime is 20242144213. The next prime is 20242144259. The reversal of 20242144239 is 93244124202.

It is a cyclic number.

It is not a de Polignac number, because 20242144239 - 2⁵ = 20242144207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242144259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10002 + ... + 201455.

It is an arithmetic number, because the mean of its divisors is an integer number (1787031558).

Almost surely, 2^20242144239 is an apocalyptic number.

20242144239 is a deficient number, since it is larger than the sum of its proper divisors (8350360689).

20242144239 is a wasteful number, since it uses less digits than its factorization.

20242144239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213354.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 20242144239 in words is "twenty billion, two hundred forty-two million, one hundred forty-four thousand, two hundred thirty-nine".