204011243133 has 16 divisors (see below), whose sum is σ = 280914696192. Its totient is φ = 131561550000.

The previous prime is 204011243123. The next prime is 204011243147. The reversal of 204011243133 is 331342110402.

It is a happy number.

It is not a de Polignac number, because 204011243133 - 2⁵ = 204011243101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204011243123) 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, 277923 + ... + 696608.

It is an arithmetic number, because the mean of its divisors is an integer number (17557168512).

Almost surely, 2^204011243133 is an apocalyptic number.

It is an amenable number.

204011243133 is a deficient number, since it is larger than the sum of its proper divisors (76903453059).

204011243133 is a wasteful number, since it uses less digits than its factorization.

204011243133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976816.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 204011243133 its reverse (331342110402), we get a palindrome (535353353535).

The spelling of 204011243133 in words is "two hundred four billion, eleven million, two hundred forty-three thousand, one hundred thirty-three".