20203351870108 has 96 divisors (see below), whose sum is σ = 40365323550720. Its totient is φ = 8764127424000.

The previous prime is 20203351870063. The next prime is 20203351870109. The reversal of 20203351870108 is 80107815330202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203351870109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1288553413 + ... + 1288569091.

It is an arithmetic number, because the mean of its divisors is an integer number (420472120320).

Almost surely, 2^{20203351870108} is an apocalyptic number.

It is an amenable number.

20203351870108 is a deficient number, since it is larger than the sum of its proper divisors (20161971680612).

20203351870108 is a wasteful number, since it uses less digits than its factorization.

20203351870108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28739 (or 28737 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 20203351870108 in words is "twenty trillion, two hundred three billion, three hundred fifty-one million, eight hundred seventy thousand, one hundred eight".