20122202223 has 16 divisors (see below), whose sum is σ = 29817817440. Its totient is φ = 13411585152.

The previous prime is 20122202209. The next prime is 20122202227. The reversal of 20122202223 is 32220222102.

It is not a de Polignac number, because 20122202223 - 2¹³ = 20122194031 is a prime.

It is a super-2 number, since 2×20122202223² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122202196 and 20122202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122202227) 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, 28165 + ... + 202577.

It is an arithmetic number, because the mean of its divisors is an integer number (1863613590).

Almost surely, 2^20122202223 is an apocalyptic number.

20122202223 is a deficient number, since it is larger than the sum of its proper divisors (9695615217).

20122202223 is a wasteful number, since it uses less digits than its factorization.

20122202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178695 (or 178689 counting only the distinct ones).

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

Adding to 20122202223 its reverse (32220222102), we get a palindrome (52342424325).

The spelling of 20122202223 in words is "twenty billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-three".