243302201220 has 48 divisors (see below), whose sum is σ = 733649716800. Its totient is φ = 59889772416.

The previous prime is 243302201167. The next prime is 243302201239. The reversal of 243302201220 is 22102203342.

It is a super-2 number, since 2×243302201220² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155962170 + ... + 155963729.

It is an arithmetic number, because the mean of its divisors is an integer number (15284369100).

Almost surely, 2^243302201220 is an apocalyptic number.

243302201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243302201220 is an abundant number, since it is smaller than the sum of its proper divisors (490347515580).

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

243302201220 is a wasteful number, since it uses less digits than its factorization.

243302201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311925924 (or 311925922 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 243302201220 its reverse (22102203342), we get a palindrome (265404404562).

The spelling of 243302201220 in words is "two hundred forty-three billion, three hundred two million, two hundred one thousand, two hundred twenty".