2220224020 has 24 divisors (see below), whose sum is σ = 5328537984. Its totient is φ = 761219616.

The previous prime is 2220224003. The next prime is 2220224029. The reversal of 2220224020 is 204220222.

It is a junction number, because it is equal to n+sod(n) for n = 2220223985 and 2220224003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220224029) 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, 7929232 + ... + 7929511.

It is an arithmetic number, because the mean of its divisors is an integer number (222022416).

Almost surely, 2^2220224020 is an apocalyptic number.

2220224020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220224020 is an abundant number, since it is smaller than the sum of its proper divisors (3108313964).

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

2220224020 is a wasteful number, since it uses less digits than its factorization.

2220224020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858759 (or 15858757 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2220224020 is about 47119.2531774433. The cubic root of 2220224020 is about 1304.5646282350.

Adding to 2220224020 its reverse (204220222), we get a palindrome (2424444242).

The spelling of 2220224020 in words is "two billion, two hundred twenty million, two hundred twenty-four thousand, twenty".