20033243300 has 54 divisors (see below), whose sum is σ = 50569642242. Its totient is φ = 6868538880.

The previous prime is 20033243299. The next prime is 20033243327. The reversal of 20033243300 is 334233002.

It can be written as a sum of positive squares in 3 ways, for example, as 4480160356 + 15553082944 = 66934^2 + 124712^2 .

It is a super-4 number, since 4×20033243300⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2039309 + ... + 2049108.

Almost surely, 2^20033243300 is an apocalyptic number.

20033243300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033243300 is an abundant number, since it is smaller than the sum of its proper divisors (30536398942).

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

20033243300 is a wasteful number, since it uses less digits than its factorization.

20033243300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088445 (or 4088431 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20033243300 its reverse (334233002), we get a palindrome (20367476302).

The spelling of 20033243300 in words is "twenty billion, thirty-three million, two hundred forty-three thousand, three hundred".