20044213013 has 12 divisors (see below), whose sum is σ = 22036074144. Its totient is φ = 18218699400.

The previous prime is 20044212977. The next prime is 20044213037. The reversal of 20044213013 is 31031244002.

It is not a de Polignac number, because 20044213013 - 2¹⁰ = 20044211989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044213043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 864968 + ... + 887838.

It is an arithmetic number, because the mean of its divisors is an integer number (1836339512).

Almost surely, 2^20044213013 is an apocalyptic number.

It is an amenable number.

20044213013 is a deficient number, since it is larger than the sum of its proper divisors (1991861131).

20044213013 is a wasteful number, since it uses less digits than its factorization.

20044213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30136 (or 30125 counting only the distinct ones).

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

Adding to 20044213013 its reverse (31031244002), we get a palindrome (51075457015).

The spelling of 20044213013 in words is "twenty billion, forty-four million, two hundred thirteen thousand, thirteen".