20134344012 has 48 divisors (see below), whose sum is σ = 47871129600. Its totient is φ = 6584614720.

The previous prime is 20134344011. The next prime is 20134344017. The reversal of 20134344012 is 21044343102.

It is a super-2 number, since 2×20134344012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20134344011) 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, 332437 + ... + 388307.

It is an arithmetic number, because the mean of its divisors is an integer number (997315200).

Almost surely, 2^20134344012 is an apocalyptic number.

It is an amenable number.

20134344012 is an abundant number, since it is smaller than the sum of its proper divisors (27736785588).

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

20134344012 is a wasteful number, since it uses less digits than its factorization.

20134344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56446 (or 56444 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20134344012 its reverse (21044343102), we get a palindrome (41178687114).

The spelling of 20134344012 in words is "twenty billion, one hundred thirty-four million, three hundred forty-four thousand, twelve".