20111202303 has 8 divisors (see below), whose sum is σ = 26859115008. Its totient is φ = 13385378904.

The previous prime is 20111202269. The next prime is 20111202311. The reversal of 20111202303 is 30320211102.

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

It is not a de Polignac number, because 20111202303 - 2¹³ = 20111194111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111202103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520201 + ... + 5523842.

It is an arithmetic number, because the mean of its divisors is an integer number (3357389376).

Almost surely, 2^20111202303 is an apocalyptic number.

20111202303 is a deficient number, since it is larger than the sum of its proper divisors (6747912705).

20111202303 is a wasteful number, since it uses less digits than its factorization.

20111202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044653.

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

Adding to 20111202303 its reverse (30320211102), we get a palindrome (50431413405).

The spelling of 20111202303 in words is "twenty billion, one hundred eleven million, two hundred two thousand, three hundred three".