20443131014 has 16 divisors (see below), whose sum is σ = 31189188240. Its totient is φ = 10046787840.

The previous prime is 20443131013. The next prime is 20443131019. The reversal of 20443131014 is 41013134402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443131013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437362 + ... + 1451514.

It is an arithmetic number, because the mean of its divisors is an integer number (1949324265).

Almost surely, 2^20443131014 is an apocalyptic number.

20443131014 is a deficient number, since it is larger than the sum of its proper divisors (10746057226).

20443131014 is a wasteful number, since it uses less digits than its factorization.

20443131014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26455.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20443131014 its reverse (41013134402), we get a palindrome (61456265416).

The spelling of 20443131014 in words is "twenty billion, four hundred forty-three million, one hundred thirty-one thousand, fourteen".