20221203133 has 4 divisors (see below), whose sum is σ = 20221535488. Its totient is φ = 20220870780.

The previous prime is 20221203109. The next prime is 20221203161. The reversal of 20221203133 is 33130212202.

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 a de Polignac number, because none of the positive numbers 2^k-20221203133 is a prime.

It is a super-2 number, since 2×20221203133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20221203133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221203173) 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, 45891 + ... + 206272.

It is an arithmetic number, because the mean of its divisors is an integer number (5055383872).

Almost surely, 2^20221203133 is an apocalyptic number.

It is an amenable number.

20221203133 is a deficient number, since it is larger than the sum of its proper divisors (332355).

20221203133 is an equidigital number, since it uses as much as digits as its factorization.

20221203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332354.

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

Adding to 20221203133 its reverse (33130212202), we get a palindrome (53351415335).

The spelling of 20221203133 in words is "twenty billion, two hundred twenty-one million, two hundred three thousand, one hundred thirty-three".