20230120133 has 4 divisors (see below), whose sum is σ = 20249743008. Its totient is φ = 20210497260.

The previous prime is 20230120129. The next prime is 20230120159. The reversal of 20230120133 is 33102103202.

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 20230120133 - 2² = 20230120129 is a prime.

It is a super-2 number, since 2×20230120133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230120103) 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, 9809891 + ... + 9811952.

It is an arithmetic number, because the mean of its divisors is an integer number (5062435752).

Almost surely, 2^20230120133 is an apocalyptic number.

It is an amenable number.

20230120133 is a deficient number, since it is larger than the sum of its proper divisors (19622875).

20230120133 is a wasteful number, since it uses less digits than its factorization.

20230120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19622874.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20230120133 its reverse (33102103202), we get a palindrome (53332223335).

The spelling of 20230120133 in words is "twenty billion, two hundred thirty million, one hundred twenty thousand, one hundred thirty-three".