20220020203 has 4 divisors (see below), whose sum is σ = 20220304600. Its totient is φ = 20219735808.

The previous prime is 20220020137. The next prime is 20220020209. The reversal of 20220020203 is 30202002202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220020203 is a prime.

It is a super-2 number, since 2×20220020203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220020209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70348 + ... + 213046.

It is an arithmetic number, because the mean of its divisors is an integer number (5055076150).

Almost surely, 2^20220020203 is an apocalyptic number.

20220020203 is a deficient number, since it is larger than the sum of its proper divisors (284397).

20220020203 is a wasteful number, since it uses less digits than its factorization.

20220020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284396.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 20220020203 its reverse (30202002202), we get a palindrome (50422022405).

The spelling of 20220020203 in words is "twenty billion, two hundred twenty million, twenty thousand, two hundred three".