222200022120020 has 36 divisors (see below), whose sum is σ = 542802911181300. Its totient is φ = 76182864726528.

The previous prime is 222200022120001. The next prime is 222200022120031. The reversal of 222200022120020 is 20021220002222.

222200022120020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 127162519476496 + 95037502643524 = 11276636^2 + 9748718^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113367357245 + ... + 113367359204.

It is an arithmetic number, because the mean of its divisors is an integer number (15077858643925).

Almost surely, 2^{222200022120020} is an apocalyptic number.

222200022120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200022120020 is an abundant number, since it is smaller than the sum of its proper divisors (320602889061280).

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

222200022120020 is a wasteful number, since it uses less digits than its factorization.

222200022120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226734716472 (or 226734716463 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222200022120020 its reverse (20021220002222), we get a palindrome (242221242122242).

The spelling of 222200022120020 in words is "two hundred twenty-two trillion, two hundred billion, twenty-two million, one hundred twenty thousand, twenty".