222001110010020 has 48 divisors (see below), whose sum is σ = 678112481487168. Its totient is φ = 53818450911360.

The previous prime is 222001110010003. The next prime is 222001110010021. The reversal of 222001110010020 is 20010011100222.

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 = 222001110009978 and 222001110010005.

It is not an unprimeable number, because it can be changed into a prime (222001110010021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168182658439 + ... + 168182659758.

It is an arithmetic number, because the mean of its divisors is an integer number (14127343364316).

Almost surely, 2^{222001110010020} is an apocalyptic number.

222001110010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001110010020 is an abundant number, since it is smaller than the sum of its proper divisors (456111371477148).

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

222001110010020 is a wasteful number, since it uses less digits than its factorization.

222001110010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336365318220 (or 336365318218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222001110010020 its reverse (20010011100222), we get a palindrome (242011121110242).

The spelling of 222001110010020 in words is "two hundred twenty-two trillion, one billion, one hundred ten million, ten thousand, twenty".