20143340313245 has 16 divisors (see below), whose sum is σ = 24952831790592. Its totient is φ = 15594168358080.

The previous prime is 20143340313223. The next prime is 20143340313247. The reversal of 20143340313245 is 54231304334102.

It is not a de Polignac number, because 20143340313245 - 2²⁰ = 20143339264669 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 (20143340313247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787754 + ... + 6395876.

It is an arithmetic number, because the mean of its divisors is an integer number (1559551986912).

Almost surely, 2^{20143340313245} is an apocalyptic number.

It is an amenable number.

20143340313245 is a deficient number, since it is larger than the sum of its proper divisors (4809491477347).

20143340313245 is a wasteful number, since it uses less digits than its factorization.

20143340313245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631332.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 20143340313245 its reverse (54231304334102), we get a palindrome (74374644647347).

The spelling of 20143340313245 in words is "twenty trillion, one hundred forty-three billion, three hundred forty million, three hundred thirteen thousand, two hundred forty-five".