20312143414134 has 64 divisors (see below), whose sum is σ = 49265997355008. Its totient is φ = 5498437190400.

The previous prime is 20312143414099. The next prime is 20312143414177. The reversal of 20312143414134 is 43141434121302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20312143414095 and 20312143414104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381809319 + ... + 381862514.

It is an arithmetic number, because the mean of its divisors is an integer number (769781208672).

Almost surely, 2^{20312143414134} is an apocalyptic number.

20312143414134 is an abundant number, since it is smaller than the sum of its proper divisors (28953853940874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20312143414134 is a wasteful number, since it uses less digits than its factorization.

20312143414134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763671893.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 20312143414134 its reverse (43141434121302), we get a palindrome (63453577535436).

The spelling of 20312143414134 in words is "twenty trillion, three hundred twelve billion, one hundred forty-three million, four hundred fourteen thousand, one hundred thirty-four".