222002020020 has 192 divisors, whose sum is σ = 714095585280. Its totient is φ = 51006067200.

The previous prime is 222002019983. The next prime is 222002020033. The reversal of 222002020020 is 20020200222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 222002019978 and 222002020005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1587535 + ... + 1721705.

It is an arithmetic number, because the mean of its divisors is an integer number (3719247840).

Almost surely, 2^222002020020 is an apocalyptic number.

222002020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222002020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357047792640).

222002020020 is an abundant number, since it is smaller than the sum of its proper divisors (492093565260).

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

222002020020 is a wasteful number, since it uses less digits than its factorization.

222002020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134326 (or 134324 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 222002020020 its reverse (20020200222), we get a palindrome (242022220242).

It can be divided in two parts, 2 and 22002020020, that added together give a palindrome (22002020022).

The spelling of 222002020020 in words is "two hundred twenty-two billion, two million, twenty thousand, twenty".