20133120113321 has 8 divisors (see below), whose sum is σ = 21335350163400. Its totient is φ = 18964755698560.

The previous prime is 20133120113299. The next prime is 20133120113369. The reversal of 20133120113321 is 12331102133102.

It can be written as a sum of positive squares in 4 ways, for example, as 1037871937600 + 19095248175721 = 1018760^2 + 4369811^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20133120113321 - 2¹⁰ = 20133120112297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133120113621) 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, 8466407606 + ... + 8466409983.

It is an arithmetic number, because the mean of its divisors is an integer number (2666918770425).

Almost surely, 2^{20133120113321} is an apocalyptic number.

It is an amenable number.

20133120113321 is a deficient number, since it is larger than the sum of its proper divisors (1202230050079).

20133120113321 is a wasteful number, since it uses less digits than its factorization.

20133120113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16932817659.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20133120113321 its reverse (12331102133102), we get a palindrome (32464222246423).

The spelling of 20133120113321 in words is "twenty trillion, one hundred thirty-three billion, one hundred twenty million, one hundred thirteen thousand, three hundred twenty-one".