20223021133 has 12 divisors (see below), whose sum is σ = 23753140320. Its totient is φ = 17165722392.

The previous prime is 20223021103. The next prime is 20223021167. The reversal of 20223021133 is 33112032202.

It is a de Polignac number, because none of the positive numbers 2^k-20223021133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20223021133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223021103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1998423 + ... + 2008516.

It is an arithmetic number, because the mean of its divisors is an integer number (1979428360).

Almost surely, 2^20223021133 is an apocalyptic number.

It is an amenable number.

20223021133 is a deficient number, since it is larger than the sum of its proper divisors (3530119187).

20223021133 is a wasteful number, since it uses less digits than its factorization.

20223021133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007056 (or 4007049 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20223021133 its reverse (33112032202), we get a palindrome (53335053335).

The spelling of 20223021133 in words is "twenty billion, two hundred twenty-three million, twenty-one thousand, one hundred thirty-three".