20043031012 has 12 divisors (see below), whose sum is σ = 35076295296. Its totient is φ = 10021232360.

The previous prime is 20043031009. The next prime is 20043031027. The reversal of 20043031012 is 21013034002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246837 + ... + 317827.

It is an arithmetic number, because the mean of its divisors is an integer number (2923024608).

Almost surely, 2^20043031012 is an apocalyptic number.

It is an amenable number.

20043031012 is a deficient number, since it is larger than the sum of its proper divisors (15033264284).

20043031012 is a wasteful number, since it uses less digits than its factorization.

20043031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141578 (or 141576 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20043031012 its reverse (21013034002), we get a palindrome (41056065014).

The spelling of 20043031012 in words is "twenty billion, forty-three million, thirty-one thousand, twelve".