20411422203 has 4 divisors (see below), whose sum is σ = 27215229608. Its totient is φ = 13607614800.

The previous prime is 20411422193. The next prime is 20411422211. The reversal of 20411422203 is 30222411402.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20411422203 - 2²² = 20407227899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20411422203.

It is not an unprimeable number, because it can be changed into a prime (20411422103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401903698 + ... + 3401903703.

It is an arithmetic number, because the mean of its divisors is an integer number (6803807402).

Almost surely, 2^20411422203 is an apocalyptic number.

20411422203 is a deficient number, since it is larger than the sum of its proper divisors (6803807405).

20411422203 is an equidigital number, since it uses as much as digits as its factorization.

20411422203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803807404.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20411422203 its reverse (30222411402), we get a palindrome (50633833605).

The spelling of 20411422203 in words is "twenty billion, four hundred eleven million, four hundred twenty-two thousand, two hundred three".