20131010444 has 12 divisors (see below), whose sum is σ = 35230431600. Its totient is φ = 10065172848.

The previous prime is 20131010441. The next prime is 20131010483. The reversal of 20131010444 is 44401013102.

It is not an unprimeable number, because it can be changed into a prime (20131010441) 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, 96137 + ... + 222495.

It is an arithmetic number, because the mean of its divisors is an integer number (2935869300).

Almost surely, 2^20131010444 is an apocalyptic number.

It is an amenable number.

20131010444 is a deficient number, since it is larger than the sum of its proper divisors (15099421156).

20131010444 is a wasteful number, since it uses less digits than its factorization.

20131010444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166192 (or 166190 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20131010444 its reverse (44401013102), we get a palindrome (64532023546).

The spelling of 20131010444 in words is "twenty billion, one hundred thirty-one million, ten thousand, four hundred forty-four".