222220110020 has 48 divisors (see below), whose sum is σ = 474642866880. Its totient is φ = 87373613184.

The previous prime is 222220109981. The next prime is 222220110023. The reversal of 222220110020 is 20011022222.

It is a junction number, because it is equal to n+sod(n) for n = 222220109977 and 222220110004.

It is not an unprimeable number, because it can be changed into a prime (222220110023) 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, 448226 + ... + 803334.

It is an arithmetic number, because the mean of its divisors is an integer number (9888393060).

Almost surely, 2^222220110020 is an apocalyptic number.

222220110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220110020 is an abundant number, since it is smaller than the sum of its proper divisors (252422756860).

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

222220110020 is a wasteful number, since it uses less digits than its factorization.

222220110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355652 (or 355650 counting only the distinct ones).

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

Adding to 222220110020 its reverse (20011022222), we get a palindrome (242231132242).

The spelling of 222220110020 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred ten thousand, twenty".