20222220023 has 4 divisors (see below), whose sum is σ = 20312902848. Its totient is φ = 20131537200.

The previous prime is 20222219971. The next prime is 20222220059. The reversal of 20222220023 is 32002222202.

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

It is a cyclic number.

It is not a de Polignac number, because 20222220023 - 2¹² = 20222215927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222219983 and 20222220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222223023) 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, 45341078 + ... + 45341523.

It is an arithmetic number, because the mean of its divisors is an integer number (5078225712).

Almost surely, 2^20222220023 is an apocalyptic number.

20222220023 is a deficient number, since it is larger than the sum of its proper divisors (90682825).

20222220023 is an equidigital number, since it uses as much as digits as its factorization.

20222220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90682824.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20222220023 its reverse (32002222202), we get a palindrome (52224442225).

The spelling of 20222220023 in words is "twenty billion, two hundred twenty-two million, two hundred twenty thousand, twenty-three".