20101043044 has 12 divisors (see below), whose sum is σ = 35281209964. Its totient is φ = 10020697344.

The previous prime is 20101042991. The next prime is 20101043059. The reversal of 20101043044 is 44034010102.

It can be written as a sum of positive squares in 2 ways, for example, as 13004665444 + 7096377600 = 114038^2 + 84240^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7454529 + ... + 7457224.

Almost surely, 2^20101043044 is an apocalyptic number.

It is an amenable number.

20101043044 is a deficient number, since it is larger than the sum of its proper divisors (15180166920).

20101043044 is a wasteful number, since it uses less digits than its factorization.

20101043044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14912094 (or 14912092 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20101043044 its reverse (44034010102), we get a palindrome (64135053146).

The spelling of 20101043044 in words is "twenty billion, one hundred one million, forty-three thousand, forty-four".