20133120001 has 4 divisors (see below), whose sum is σ = 20134977472. Its totient is φ = 20131262532.

The previous prime is 20133119983. The next prime is 20133120031. The reversal of 20133120001 is 10002133102.

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.

It is a cyclic number.

It is not a de Polignac number, because 20133120001 - 2⁵ = 20133119969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133120031) 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, 912381 + ... + 934186.

It is an arithmetic number, because the mean of its divisors is an integer number (5033744368).

Almost surely, 2^20133120001 is an apocalyptic number.

It is an amenable number.

20133120001 is a deficient number, since it is larger than the sum of its proper divisors (1857471).

20133120001 is a wasteful number, since it uses less digits than its factorization.

20133120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857470.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20133120001 its reverse (10002133102), we get a palindrome (30135253103).

The spelling of 20133120001 in words is "twenty billion, one hundred thirty-three million, one hundred twenty thousand, one".