20011022133 has 32 divisors (see below), whose sum is σ = 29192343552. Its totient is φ = 12138336000.

The previous prime is 20011022117. The next prime is 20011022149. The reversal of 20011022133 is 33122011002.

It is an interprime number because it is at equal distance from previous prime (20011022117) and next prime (20011022149).

It is not a de Polignac number, because 20011022133 - 2⁴ = 20011022117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011022113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1655610 + ... + 1667652.

It is an arithmetic number, because the mean of its divisors is an integer number (912260736).

Almost surely, 2^20011022133 is an apocalyptic number.

It is an amenable number.

20011022133 is a deficient number, since it is larger than the sum of its proper divisors (9181321419).

20011022133 is a wasteful number, since it uses less digits than its factorization.

20011022133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20011022133 its reverse (33122011002), we get a palindrome (53133033135).

The spelling of 20011022133 in words is "twenty billion, eleven million, twenty-two thousand, one hundred thirty-three".