20033200243 has 16 divisors (see below), whose sum is σ = 23078651904. Its totient is φ = 17033820480.

The previous prime is 20033200237. The next prime is 20033200249. The reversal of 20033200243 is 34200233002.

It is an interprime number because it is at equal distance from previous prime (20033200237) and next prime (20033200249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033200243 is a prime.

It is a super-2 number, since 2×20033200243² (a number of 21 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 20033200243.

It is not an unprimeable number, because it can be changed into a prime (20033200249) 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, 1496088 + ... + 1509418.

It is an arithmetic number, because the mean of its divisors is an integer number (1442415744).

Almost surely, 2^20033200243 is an apocalyptic number.

20033200243 is a deficient number, since it is larger than the sum of its proper divisors (3045451661).

20033200243 is a wasteful number, since it uses less digits than its factorization.

20033200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15042.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20033200243 its reverse (34200233002), we get a palindrome (54233433245).

The spelling of 20033200243 in words is "twenty billion, thirty-three million, two hundred thousand, two hundred forty-three".