222012210020 has 24 divisors (see below), whose sum is σ = 466669287168. Its totient is φ = 88720380000.

The previous prime is 222012209897. The next prime is 222012210029. The reversal of 222012210020 is 20012210222.

It is a junction number, because it is equal to n+sod(n) for n = 222012209977 and 222012210004.

It is not an unprimeable number, because it can be changed into a prime (222012210029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5259956 + ... + 5301995.

It is an arithmetic number, because the mean of its divisors is an integer number (19444553632).

Almost surely, 2^222012210020 is an apocalyptic number.

222012210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012210020 is an abundant number, since it is smaller than the sum of its proper divisors (244657077148).

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

222012210020 is a wasteful number, since it uses less digits than its factorization.

222012210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563011 (or 10563009 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222012210020 its reverse (20012210222), we get a palindrome (242024420242).

The spelling of 222012210020 in words is "two hundred twenty-two billion, twelve million, two hundred ten thousand, twenty".