20004560133 has 8 divisors (see below), whose sum is σ = 27240252288. Its totient is φ = 13052620704.

The previous prime is 20004560131. The next prime is 20004560221. The reversal of 20004560133 is 33106540002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20004560133 - 2¹ = 20004560131 is a prime.

It is a super-2 number, since 2×20004560133² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004560131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70938016 + ... + 70938297.

It is an arithmetic number, because the mean of its divisors is an integer number (3405031536).

Almost surely, 2^20004560133 is an apocalyptic number.

It is an amenable number.

20004560133 is a deficient number, since it is larger than the sum of its proper divisors (7235692155).

20004560133 is a wasteful number, since it uses less digits than its factorization.

20004560133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141876363.

The product of its (nonzero) digits is 2160, while the sum is 24.

The spelling of 20004560133 in words is "twenty billion, four million, five hundred sixty thousand, one hundred thirty-three".