20203302111 has 8 divisors (see below), whose sum is σ = 26939076864. Its totient is φ = 13468197720.

The previous prime is 20203302109. The next prime is 20203302149. The reversal of 20203302111 is 11120330202.

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

It is not a de Polignac number, because 20203302111 - 2¹ = 20203302109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203302151) 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, 92455 + ... + 221256.

It is an arithmetic number, because the mean of its divisors is an integer number (3367384608).

Almost surely, 2^20203302111 is an apocalyptic number.

20203302111 is a deficient number, since it is larger than the sum of its proper divisors (6735774753).

20203302111 is a wasteful number, since it uses less digits than its factorization.

20203302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335181.

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

Adding to 20203302111 its reverse (11120330202), we get a palindrome (31323632313).

The spelling of 20203302111 in words is "twenty billion, two hundred three million, three hundred two thousand, one hundred eleven".