2222020220 has 24 divisors (see below), whose sum is σ = 5332848864. Its totient is φ = 761835456.

The previous prime is 2222020187. The next prime is 2222020253. The reversal of 2222020220 is 220202222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2222020187) and next prime (2222020253).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2222020195 and 2222020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7935647 + ... + 7935926.

It is an arithmetic number, because the mean of its divisors is an integer number (222202036).

Almost surely, 2^2222020220 is an apocalyptic number.

2222020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222020220 is an abundant number, since it is smaller than the sum of its proper divisors (3110828644).

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

2222020220 is a wasteful number, since it uses less digits than its factorization.

2222020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871589 (or 15871587 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2222020220 is about 47138.3094732936. The cubic root of 2222020220 is about 1304.9163385933.

Adding to 2222020220 its reverse (220202222), we get a palindrome (2442222442).

It can be divided in two parts, 2 and 222020220, that added together give a palindrome (222020222).

The spelling of 2222020220 in words is "two billion, two hundred twenty-two million, twenty thousand, two hundred twenty".