20022132222 has 12 divisors (see below), whose sum is σ = 43381286520. Its totient is φ = 6674044068.

The previous prime is 20022132203. The next prime is 20022132257. The reversal of 20022132222 is 22223122002.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1112340679 = 20022132222 / (2 + 0 + 0 + 2 + 2 + 1 + 3 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20022132195 and 20022132204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556170322 + ... + 556170357.

It is an arithmetic number, because the mean of its divisors is an integer number (3615107210).

Almost surely, 2^20022132222 is an apocalyptic number.

20022132222 is an abundant number, since it is smaller than the sum of its proper divisors (23359154298).

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

20022132222 is a wasteful number, since it uses less digits than its factorization.

20022132222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112340687 (or 1112340684 counting only the distinct ones).

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

Adding to 20022132222 its reverse (22223122002), we get a palindrome (42245254224).

The spelling of 20022132222 in words is "twenty billion, twenty-two million, one hundred thirty-two thousand, two hundred twenty-two".