20133133313 has 4 divisors (see below), whose sum is σ = 20133420480. Its totient is φ = 20132846148.

The previous prime is 20133133301. The next prime is 20133133351. The reversal of 20133133313 is 31333133102.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20133133313 - 2⁴ = 20133133297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133135313) 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, 38828 + ... + 204386.

It is an arithmetic number, because the mean of its divisors is an integer number (5033355120).

Almost surely, 2^20133133313 is an apocalyptic number.

It is an amenable number.

20133133313 is a deficient number, since it is larger than the sum of its proper divisors (287167).

20133133313 is a wasteful number, since it uses less digits than its factorization.

20133133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287166.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 20133133313 its reverse (31333133102), we get a palindrome (51466266415).

The spelling of 20133133313 in words is "twenty billion, one hundred thirty-three million, one hundred thirty-three thousand, three hundred thirteen".