20212020112203 has 8 divisors (see below), whose sum is σ = 29943733499600. Its totient is φ = 13474680074784.

The previous prime is 20212020112187. The next prime is 20212020112261. The reversal of 20212020112203 is 30221102021202.

It is not a de Polignac number, because 20212020112203 - 2⁴ = 20212020112187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212020112003) 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, 374296668718 + ... + 374296668771.

It is an arithmetic number, because the mean of its divisors is an integer number (3742966687450).

Almost surely, 2^{20212020112203} is an apocalyptic number.

20212020112203 is a deficient number, since it is larger than the sum of its proper divisors (9731713387397).

20212020112203 is an equidigital number, since it uses as much as digits as its factorization.

20212020112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748593337498 (or 748593337492 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20212020112203 its reverse (30221102021202), we get a palindrome (50433122133405).

The spelling of 20212020112203 in words is "twenty trillion, two hundred twelve billion, twenty million, one hundred twelve thousand, two hundred three".