28202233200 has 120 divisors (see below), whose sum is σ = 93456481200. Its totient is φ = 7261255680.

The previous prime is 28202233193. The next prime is 28202233223. The reversal of 28202233200 is 233220282.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370405 + ... + 440004.

It is an arithmetic number, because the mean of its divisors is an integer number (778804010).

Almost surely, 2^28202233200 is an apocalyptic number.

28202233200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28202233200 is an abundant number, since it is smaller than the sum of its proper divisors (65254248000).

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

28202233200 is a wasteful number, since it uses less digits than its factorization.

28202233200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810459 (or 810448 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 28202233200 its reverse (233220282), we get a palindrome (28435453482).

The spelling of 28202233200 in words is "twenty-eight billion, two hundred two million, two hundred thirty-three thousand, two hundred".