2220222022220 has 24 divisors (see below), whose sum is σ = 4674639803904. Its totient is φ = 885770036096.

The previous prime is 2220222022181. The next prime is 2220222022229. The reversal of 2220222022220 is 222202220222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2220222022192 and 2220222022201.

It is not an unprimeable number, because it can be changed into a prime (2220222022229) 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, 144915449 + ... + 144930768.

It is an arithmetic number, because the mean of its divisors is an integer number (194776658496).

Almost surely, 2^{2220222022220} is an apocalyptic number.

2220222022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220222022220 is an abundant number, since it is smaller than the sum of its proper divisors (2454417781684).

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

2220222022220 is a wasteful number, since it uses less digits than its factorization.

2220222022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289846609 (or 289846607 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2220222022220 its reverse (222202220222), we get a palindrome (2442424242442).

The spelling of 2220222022220 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty".