20140232319 has 6 divisors (see below), whose sum is σ = 29091446696. Its totient is φ = 13426821540.

The previous prime is 20140232309. The next prime is 20140232347. The reversal of 20140232319 is 91323204102.

It is a happy number.

20140232319 is a `hidden beast` number, since 20 + 1 + 402 + 3 + 231 + 9 = 666.

It is not a de Polignac number, because 20140232319 - 2¹³ = 20140224127 is a prime.

It is a super-2 number, since 2×20140232319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20140232292 and 20140232301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140232309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118901787 + ... + 1118901804.

Almost surely, 2^20140232319 is an apocalyptic number.

20140232319 is a deficient number, since it is larger than the sum of its proper divisors (8951214377).

20140232319 is a wasteful number, since it uses less digits than its factorization.

20140232319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237803597 (or 2237803594 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 20140232319 in words is "twenty billion, one hundred forty million, two hundred thirty-two thousand, three hundred nineteen".