20013100021203 has 8 divisors (see below), whose sum is σ = 27251880880128. Its totient is φ = 13058192921544.

The previous prime is 20013100021169. The next prime is 20013100021301. The reversal of 20013100021203 is 30212000131002.

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

It is not a de Polignac number, because 20013100021203 - 2⁶ = 20013100021139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013170021203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70968439651 + ... + 70968439932.

It is an arithmetic number, because the mean of its divisors is an integer number (3406485110016).

Almost surely, 2^{20013100021203} is an apocalyptic number.

20013100021203 is a deficient number, since it is larger than the sum of its proper divisors (7238780858925).

20013100021203 is a wasteful number, since it uses less digits than its factorization.

20013100021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141936879633.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20013100021203 its reverse (30212000131002), we get a palindrome (50225100152205).

The spelling of 20013100021203 in words is "twenty trillion, thirteen billion, one hundred million, twenty-one thousand, two hundred three".