20221130021 has 8 divisors (see below), whose sum is σ = 20324906784. Its totient is φ = 20117538000.

The previous prime is 20221129997. The next prime is 20221130071. The reversal of 20221130021 is 12003112202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20221130021 - 2²⁶ = 20154021157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20221129978 and 20221130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221130071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176015 + ... + 267251.

It is an arithmetic number, because the mean of its divisors is an integer number (2540613348).

Almost surely, 2^20221130021 is an apocalyptic number.

It is an amenable number.

20221130021 is a deficient number, since it is larger than the sum of its proper divisors (103776763).

20221130021 is an equidigital number, since it uses as much as digits as its factorization.

20221130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92371.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20221130021 its reverse (12003112202), we get a palindrome (32224242223).

It can be divided in two parts, 202211 and 30021, that added together give a palindrome (232232).

The spelling of 20221130021 in words is "twenty billion, two hundred twenty-one million, one hundred thirty thousand, twenty-one".