20142030122439 has 32 divisors (see below), whose sum is σ = 27709012176384. Its totient is φ = 13007088138240.

The previous prime is 20142030122407. The next prime is 20142030122443. The reversal of 20142030122439 is 93422103024102.

It is not a de Polignac number, because 20142030122439 - 2⁵ = 20142030122407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142030112439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8248479 + ... + 10407759.

It is an arithmetic number, because the mean of its divisors is an integer number (865906630512).

Almost surely, 2^{20142030122439} is an apocalyptic number.

20142030122439 is a deficient number, since it is larger than the sum of its proper divisors (7566982053945).

20142030122439 is a wasteful number, since it uses less digits than its factorization.

20142030122439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159927.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 20142030122439 in words is "twenty trillion, one hundred forty-two billion, thirty million, one hundred twenty-two thousand, four hundred thirty-nine".