20011320033 has 8 divisors (see below), whose sum is σ = 26798275200. Its totient is φ = 13282622448.

The previous prime is 20011320031. The next prime is 20011320037. The reversal of 20011320033 is 33002311002.

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

It is not a de Polignac number, because 20011320033 - 2¹ = 20011320031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20011319994 and 20011320021.

It is not an unprimeable number, because it can be changed into a prime (20011320031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14563593 + ... + 14564966.

It is an arithmetic number, because the mean of its divisors is an integer number (3349784400).

Almost surely, 2^20011320033 is an apocalyptic number.

It is an amenable number.

20011320033 is a deficient number, since it is larger than the sum of its proper divisors (6786955167).

20011320033 is a wasteful number, since it uses less digits than its factorization.

20011320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29128791.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20011320033 its reverse (33002311002), we get a palindrome (53013631035).

The spelling of 20011320033 in words is "twenty billion, eleven million, three hundred twenty thousand, thirty-three".