20344303134 has 12 divisors (see below), whose sum is σ = 44079323496. Its totient is φ = 6781434372.

The previous prime is 20344303117. The next prime is 20344303139. The reversal of 20344303134 is 43130344302.

20344303134 is a `hidden beast` number, since 2 + 0 + 344 + 3 + 0 + 313 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20344303098 and 20344303107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344303139) 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, 565119514 + ... + 565119549.

It is an arithmetic number, because the mean of its divisors is an integer number (3673276958).

Almost surely, 2^20344303134 is an apocalyptic number.

20344303134 is an abundant number, since it is smaller than the sum of its proper divisors (23735020362).

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

20344303134 is a wasteful number, since it uses less digits than its factorization.

20344303134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130239071 (or 1130239068 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20344303134 its reverse (43130344302), we get a palindrome (63474647436).

The spelling of 20344303134 in words is "twenty billion, three hundred forty-four million, three hundred three thousand, one hundred thirty-four".