20340114431 has 32 divisors (see below), whose sum is σ = 25679098368. Its totient is φ = 15680407680.

The previous prime is 20340114409. The next prime is 20340114461. The reversal of 20340114431 is 13441104302.

It is not a de Polignac number, because 20340114431 - 2²² = 20335920127 is a prime.

It is a super-2 number, since 2×20340114431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20340114397 and 20340114406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340114461) 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, 1641200 + ... + 1653546.

It is an arithmetic number, because the mean of its divisors is an integer number (802471824).

Almost surely, 2^20340114431 is an apocalyptic number.

20340114431 is a deficient number, since it is larger than the sum of its proper divisors (5338983937).

20340114431 is a wasteful number, since it uses less digits than its factorization.

20340114431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20340114431 its reverse (13441104302), we get a palindrome (33781218733).

The spelling of 20340114431 in words is "twenty billion, three hundred forty million, one hundred fourteen thousand, four hundred thirty-one".