20202020220233 has 4 divisors (see below), whose sum is σ = 20280627303060. Its totient is φ = 20123413137408.

The previous prime is 20202020220211. The next prime is 20202020220247. The reversal of 20202020220233 is 33202202020202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19609592905984 + 592427314249 = 4428272^2 + 769693^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202020220233 - 2⁶ = 20202020220169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202020220253) 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, 39303541028 + ... + 39303541541.

It is an arithmetic number, because the mean of its divisors is an integer number (5070156825765).

Almost surely, 2^{20202020220233} is an apocalyptic number.

It is an amenable number.

20202020220233 is a deficient number, since it is larger than the sum of its proper divisors (78607082827).

20202020220233 is an equidigital number, since it uses as much as digits as its factorization.

20202020220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78607082826.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20202020220233 its reverse (33202202020202), we get a palindrome (53404222240435).

The spelling of 20202020220233 in words is "twenty trillion, two hundred two billion, twenty million, two hundred twenty thousand, two hundred thirty-three".