20140343999 has 8 divisors (see below), whose sum is σ = 20626374912. Its totient is φ = 19655115480.

The previous prime is 20140343987. The next prime is 20140344019. The reversal of 20140343999 is 99934304102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20140343999 - 2²⁴ = 20123566783 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 (20140343959) 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, 149639 + ... + 250344.

It is an arithmetic number, because the mean of its divisors is an integer number (2578296864).

Almost surely, 2^20140343999 is an apocalyptic number.

20140343999 is a deficient number, since it is larger than the sum of its proper divisors (486030913).

20140343999 is a wasteful number, since it uses less digits than its factorization.

20140343999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401197.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 20140343999 in words is "twenty billion, one hundred forty million, three hundred forty-three thousand, nine hundred ninety-nine".