22220200222220 has 96 divisors (see below), whose sum is σ = 62651641522176. Its totient is φ = 6393024633600.

The previous prime is 22220200222189. The next prime is 22220200222271. The reversal of 22220200222220 is 2222200202222.

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 = 22220200222192 and 22220200222201.

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, 554930036 + ... + 554970075.

It is an arithmetic number, because the mean of its divisors is an integer number (652621265856).

Almost surely, 2^{22220200222220} is an apocalyptic number.

22220200222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220200222220 is an abundant number, since it is smaller than the sum of its proper divisors (40431441299956).

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

22220200222220 is a wasteful number, since it uses less digits than its factorization.

22220200222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109900151 (or 1109900149 counting only the distinct ones).

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

Adding to 22220200222220 its reverse (2222200202222), we get a palindrome (24442400424442).

The spelling of 22220200222220 in words is "twenty-two trillion, two hundred twenty billion, two hundred million, two hundred twenty-two thousand, two hundred twenty".