20203233105 has 16 divisors (see below), whose sum is σ = 35263825344. Its totient is φ = 9795506880.

The previous prime is 20203233067. The next prime is 20203233157. The reversal of 20203233105 is 50133230202.

It is not a de Polignac number, because 20203233105 - 2⁷ = 20203232977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61221754 + ... + 61222083.

It is an arithmetic number, because the mean of its divisors is an integer number (2203989084).

Almost surely, 2^20203233105 is an apocalyptic number.

It is an amenable number.

20203233105 is a deficient number, since it is larger than the sum of its proper divisors (15060592239).

20203233105 is a wasteful number, since it uses less digits than its factorization.

20203233105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122443856.

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 20203233105 its reverse (50133230202), we get a palindrome (70336463307).

The spelling of 20203233105 in words is "twenty billion, two hundred three million, two hundred thirty-three thousand, one hundred five".