2220020252 has 6 divisors (see below), whose sum is σ = 3885035448. Its totient is φ = 1110010124.

The previous prime is 2220020221. The next prime is 2220020269. The reversal of 2220020252 is 2520200222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220020252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277502528 + ... + 277502535.

It is an arithmetic number, because the mean of its divisors is an integer number (647505908).

Almost surely, 2^2220020252 is an apocalyptic number.

It is an amenable number.

2220020252 is a deficient number, since it is larger than the sum of its proper divisors (1665015196).

2220020252 is a wasteful number, since it uses less digits than its factorization.

2220020252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555005067 (or 555005065 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2220020252 is about 47117.0908694499. The cubic root of 2220020252 is about 1304.5247168484.

Adding to 2220020252 its reverse (2520200222), we get a palindrome (4740220474).

The spelling of 2220020252 in words is "two billion, two hundred twenty million, twenty thousand, two hundred fifty-two".