20142031999 has 4 divisors (see below), whose sum is σ = 20218617936. Its totient is φ = 20065446064.

The previous prime is 20142031969. The next prime is 20142032003. The reversal of 20142031999 is 99913024102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20142031999 - 2¹¹ = 20142029951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142031969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38292574 + ... + 38293099.

It is an arithmetic number, because the mean of its divisors is an integer number (5054654484).

Almost surely, 2^20142031999 is an apocalyptic number.

20142031999 is a deficient number, since it is larger than the sum of its proper divisors (76585937).

20142031999 is an equidigital number, since it uses as much as digits as its factorization.

20142031999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76585936.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 20142031999 in words is "twenty billion, one hundred forty-two million, thirty-one thousand, nine hundred ninety-nine".