222012222200020 has 96 divisors (see below), whose sum is σ = 533245365467136. Its totient is φ = 76059056246400.

The previous prime is 222012222200017. The next prime is 222012222200059. The reversal of 222012222200020 is 20002222210222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1730472075 + ... + 1730600365.

It is an arithmetic number, because the mean of its divisors is an integer number (5554639223616).

Almost surely, 2^{222012222200020} is an apocalyptic number.

222012222200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012222200020 is an abundant number, since it is smaller than the sum of its proper divisors (311233143267116).

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

222012222200020 is a wasteful number, since it uses less digits than its factorization.

222012222200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137861 (or 137859 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222012222200020 its reverse (20002222210222), we get a palindrome (242014444410242).

The spelling of 222012222200020 in words is "two hundred twenty-two trillion, twelve billion, two hundred twenty-two million, two hundred thousand, twenty".