20313200133 has 48 divisors (see below), whose sum is σ = 31550238720. Its totient is φ = 12568010112.

The previous prime is 20313200123. The next prime is 20313200153. The reversal of 20313200133 is 33100231302.

20313200133 is a `hidden beast` number, since 20 + 313 + 200 + 133 = 666.

It is not a de Polignac number, because 20313200133 - 2¹² = 20313196037 is a prime.

It is a super-2 number, since 2×20313200133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313200123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 788860 + ... + 814202.

It is an arithmetic number, because the mean of its divisors is an integer number (657296640).

Almost surely, 2^20313200133 is an apocalyptic number.

It is an amenable number.

20313200133 is a deficient number, since it is larger than the sum of its proper divisors (11237038587).

20313200133 is a wasteful number, since it uses less digits than its factorization.

20313200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25498 (or 25495 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20313200133 its reverse (33100231302), we get a palindrome (53413431435).

The spelling of 20313200133 in words is "twenty billion, three hundred thirteen million, two hundred thousand, one hundred thirty-three".