20122023222 has 48 divisors (see below), whose sum is σ = 50015496960. Its totient is φ = 5727280176.

The previous prime is 20122023217. The next prime is 20122023307. The reversal of 20122023222 is 22232022102.

20122023222 is a `hidden beast` number, since 201 + 220 + 23 + 222 = 666.

It is a super-2 number, since 2×20122023222² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20122023195 and 20122023204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270472 + ... + 336747.

It is an arithmetic number, because the mean of its divisors is an integer number (1041989520).

Almost surely, 2^20122023222 is an apocalyptic number.

20122023222 is an abundant number, since it is smaller than the sum of its proper divisors (29893473738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122023222 is a wasteful number, since it uses less digits than its factorization.

20122023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607497 (or 607494 counting only the distinct ones).

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

Adding to 20122023222 its reverse (22232022102), we get a palindrome (42354045324).

The spelling of 20122023222 in words is "twenty billion, one hundred twenty-two million, twenty-three thousand, two hundred twenty-two".