222202020020 has 96 divisors (see below), whose sum is σ = 504354428928. Its totient is φ = 81926203392.

The previous prime is 222202019999. The next prime is 222202020023. The reversal of 222202020020 is 20020202222.

It is a happy number.

222202020020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222202019977 and 222202020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202020023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3912749 + ... + 3969131.

It is an arithmetic number, because the mean of its divisors is an integer number (5253691968).

Almost surely, 2^222202020020 is an apocalyptic number.

222202020020 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 222202020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252177214464).

222202020020 is an abundant number, since it is smaller than the sum of its proper divisors (282152408908).

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

222202020020 is a wasteful number, since it uses less digits than its factorization.

222202020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56649 (or 56647 counting only the distinct ones).

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

Adding to 222202020020 its reverse (20020202222), we get a palindrome (242222222242).

The spelling of 222202020020 in words is "two hundred twenty-two billion, two hundred two million, twenty thousand, twenty".