222220020020 has 48 divisors (see below), whose sum is σ = 474332073600. Its totient is φ = 87438787200.

The previous prime is 222220019981. The next prime is 222220020073. The reversal of 222220020020 is 20020022222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222220019977 and 222220020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63656 + ... + 669695.

It is an arithmetic number, because the mean of its divisors is an integer number (9881918200).

Almost surely, 2^222220020020 is an apocalyptic number.

222220020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220020020 is an abundant number, since it is smaller than the sum of its proper divisors (252112053580).

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

222220020020 is a wasteful number, since it uses less digits than its factorization.

222220020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733608 (or 733606 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 222220020020 its reverse (20020022222), we get a palindrome (242240042242).

The spelling of 222220020020 in words is "two hundred twenty-two billion, two hundred twenty million, twenty thousand, twenty".