222223201020 has 72 divisors (see below), whose sum is σ = 692295362304. Its totient is φ = 57657909888.

The previous prime is 222223200919. The next prime is 222223201021. The reversal of 222223201020 is 20102322222.

222223201020 is a `hidden beast` number, since 22 + 222 + 320 + 102 + 0 = 666.

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 = 222223200984 and 222223201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222223201021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16676764 + ... + 16690083.

Almost surely, 2^222223201020 is an apocalyptic number.

222223201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222223201020 is an abundant number, since it is smaller than the sum of its proper divisors (470072161284).

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

222223201020 is a wasteful number, since it uses less digits than its factorization.

222223201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33366899 (or 33366894 counting only the distinct ones).

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

Adding to 222223201020 its reverse (20102322222), we get a palindrome (242325523242).

The spelling of 222223201020 in words is "two hundred twenty-two billion, two hundred twenty-three million, two hundred one thousand, twenty".