20200100121003 has 16 divisors (see below), whose sum is σ = 30176070944256. Its totient is φ = 11911606950240.

The previous prime is 20200100120983. The next prime is 20200100121011. The reversal of 20200100121003 is 30012100100202.

It is not a de Polignac number, because 20200100121003 - 2²⁸ = 20199831685547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20200100121003.

It is not an unprimeable number, because it can be changed into a prime (20200100121043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8271948051 + ... + 8271950492.

It is an arithmetic number, because the mean of its divisors is an integer number (1886004434016).

Almost surely, 2^{20200100121003} is an apocalyptic number.

20200100121003 is a deficient number, since it is larger than the sum of its proper divisors (9975970823253).

20200100121003 is a wasteful number, since it uses less digits than its factorization.

20200100121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16543898594.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20200100121003 its reverse (30012100100202), we get a palindrome (50212200221205).

The spelling of 20200100121003 in words is "twenty trillion, two hundred billion, one hundred million, one hundred twenty-one thousand, three".