20122022223 has 6 divisors (see below), whose sum is σ = 29065143224. Its totient is φ = 13414681476.

The previous prime is 20122022177. The next prime is 20122022227. The reversal of 20122022223 is 32222022102.

20122022223 is a `hidden beast` number, since 201 + 220 + 22 + 223 = 666.

It is not a de Polignac number, because 20122022223 - 2³³ = 11532087631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122022196 and 20122022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122022227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117890115 + ... + 1117890132.

Almost surely, 2^20122022223 is an apocalyptic number.

20122022223 is a deficient number, since it is larger than the sum of its proper divisors (8943121001).

20122022223 is a wasteful number, since it uses less digits than its factorization.

20122022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235780253 (or 2235780250 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20122022223 its reverse (32222022102), we get a palindrome (52344044325).

The spelling of 20122022223 in words is "twenty billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-three".