204001216033 has 4 divisors (see below), whose sum is σ = 214738122160. Its totient is φ = 193264309908.

The previous prime is 204001216031. The next prime is 204001216051. The reversal of 204001216033 is 330612100402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204001216033 - 2¹ = 204001216031 is a prime.

It is a super-2 number, since 2×204001216033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204001215995 and 204001216013.

It is not an unprimeable number, because it can be changed into a prime (204001216031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5368453035 + ... + 5368453072.

It is an arithmetic number, because the mean of its divisors is an integer number (53684530540).

Almost surely, 2^204001216033 is an apocalyptic number.

It is an amenable number.

204001216033 is a deficient number, since it is larger than the sum of its proper divisors (10736906127).

204001216033 is a wasteful number, since it uses less digits than its factorization.

204001216033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10736906126.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 204001216033 its reverse (330612100402), we get a palindrome (534613316435).

The spelling of 204001216033 in words is "two hundred four billion, one million, two hundred sixteen thousand, thirty-three".