202443304220 has 48 divisors (see below), whose sum is σ = 452653518240. Its totient is φ = 75788150784.

The previous prime is 202443304213. The next prime is 202443304223. The reversal of 202443304220 is 22403344202.

It is a happy number.

It is a super-2 number, since 2×202443304220² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202443304220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202443304223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1602329 + ... + 1724048.

It is an arithmetic number, because the mean of its divisors is an integer number (9430281630).

Almost surely, 2^202443304220 is an apocalyptic number.

202443304220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202443304220 is an abundant number, since it is smaller than the sum of its proper divisors (250210214020).

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

202443304220 is a wasteful number, since it uses less digits than its factorization.

202443304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326582 (or 3326580 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 202443304220 its reverse (22403344202), we get a palindrome (224846648422).

The spelling of 202443304220 in words is "two hundred two billion, four hundred forty-three million, three hundred four thousand, two hundred twenty".