20013102203 has 4 divisors (see below), whose sum is σ = 20023468248. Its totient is φ = 20002736160.

The previous prime is 20013102199. The next prime is 20013102337. The reversal of 20013102203 is 30220131002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30220131002 = 2 ⋅15110065501.

It is a cyclic number.

It is not a de Polignac number, because 20013102203 - 2² = 20013102199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013102503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5180126 + ... + 5183987.

It is an arithmetic number, because the mean of its divisors is an integer number (5005867062).

Almost surely, 2^20013102203 is an apocalyptic number.

20013102203 is a deficient number, since it is larger than the sum of its proper divisors (10366045).

20013102203 is a wasteful number, since it uses less digits than its factorization.

20013102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366044.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20013102203 its reverse (30220131002), we get a palindrome (50233233205).

The spelling of 20013102203 in words is "twenty billion, thirteen million, one hundred two thousand, two hundred three".