20422420202233 has 16 divisors (see below), whose sum is σ = 23951365683840. Its totient is φ = 17051091198336.

The previous prime is 20422420202159. The next prime is 20422420202279. The reversal of 20422420202233 is 33220202422402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20422420202233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20422420203233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197959060 + ... + 198062197.

It is an arithmetic number, because the mean of its divisors is an integer number (1496960355240).

Almost surely, 2^{20422420202233} is an apocalyptic number.

It is an amenable number.

20422420202233 is a deficient number, since it is larger than the sum of its proper divisors (3528945481607).

20422420202233 is a wasteful number, since it uses less digits than its factorization.

20422420202233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396021456.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20422420202233 its reverse (33220202422402), we get a palindrome (53642622624635).

The spelling of 20422420202233 in words is "twenty trillion, four hundred twenty-two billion, four hundred twenty million, two hundred two thousand, two hundred thirty-three".