20110000203 has 24 divisors (see below), whose sum is σ = 29842121088. Its totient is φ = 13040272512.

The previous prime is 20110000201. The next prime is 20110000231. The reversal of 20110000203 is 30200001102.

It is a happy number.

It is not a de Polignac number, because 20110000203 - 2¹ = 20110000201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20110000201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366975 + ... + 1381607.

It is an arithmetic number, because the mean of its divisors is an integer number (1243421712).

Almost surely, 2^20110000203 is an apocalyptic number.

20110000203 is a deficient number, since it is larger than the sum of its proper divisors (9732120885).

20110000203 is a wasteful number, since it uses less digits than its factorization.

20110000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18803 (or 18800 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20110000203 its reverse (30200001102), we get a palindrome (50310001305).

The spelling of 20110000203 in words is "twenty billion, one hundred ten million, two hundred three", and thus it is an aban number.