20013344012 has 12 divisors (see below), whose sum is σ = 35024453016. Its totient is φ = 10006357440.

The previous prime is 20013343991. The next prime is 20013344017. The reversal of 20013344012 is 21044331002.

It is a super-2 number, since 2×20013344012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20013344017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120587 + ... + 233597.

It is an arithmetic number, because the mean of its divisors is an integer number (2918704418).

Almost surely, 2^20013344012 is an apocalyptic number.

It is an amenable number.

20013344012 is a deficient number, since it is larger than the sum of its proper divisors (15011109004).

20013344012 is a wasteful number, since it uses less digits than its factorization.

20013344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157288 (or 157286 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20013344012 its reverse (21044331002), we get a palindrome (41057675014).

The spelling of 20013344012 in words is "twenty billion, thirteen million, three hundred forty-four thousand, twelve".