20044142203 has 2 divisors, whose sum is σ = 20044142204. Its totient is φ = 20044142202.

The previous prime is 20044142191. The next prime is 20044142257. The reversal of 20044142203 is 30224144002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20044142203 - 2⁵ = 20044142171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20044142263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022071101 + 10022071102.

It is an arithmetic number, because the mean of its divisors is an integer number (10022071102).

Almost surely, 2^20044142203 is an apocalyptic number.

20044142203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20044142203 is an equidigital number, since it uses as much as digits as its factorization.

20044142203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20044142203 its reverse (30224144002), we get a palindrome (50268286205).

The spelling of 20044142203 in words is "twenty billion, forty-four million, one hundred forty-two thousand, two hundred three".