20431043102 has 8 divisors (see below), whose sum is σ = 32259541800. Its totient is φ = 9677862504.

The previous prime is 20431043093. The next prime is 20431043131. The reversal of 20431043102 is 20134013402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 268829477 + ... + 268829552.

It is an arithmetic number, because the mean of its divisors is an integer number (4032442725).

Almost surely, 2^20431043102 is an apocalyptic number.

20431043102 is a deficient number, since it is larger than the sum of its proper divisors (11828498698).

20431043102 is a wasteful number, since it uses less digits than its factorization.

20431043102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537659050.

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

Adding to 20431043102 its reverse (20134013402), we get a palindrome (40565056504).

The spelling of 20431043102 in words is "twenty billion, four hundred thirty-one million, forty-three thousand, one hundred two".