20332201121 has 4 divisors (see below), whose sum is σ = 20385288192. Its totient is φ = 20279114052.

The previous prime is 20332201103. The next prime is 20332201139. The reversal of 20332201121 is 12110223302.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12110223302 = 2 ⋅6055111651.

It is an interprime number because it is at equal distance from previous prime (20332201103) and next prime (20332201139).

It is a cyclic number.

It is not a de Polignac number, because 20332201121 - 2²² = 20328006817 is a prime.

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 20332201121.

It is not an unprimeable number, because it can be changed into a prime (20332203121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26542961 + ... + 26543726.

It is an arithmetic number, because the mean of its divisors is an integer number (5096322048).

Almost surely, 2^20332201121 is an apocalyptic number.

It is an amenable number.

20332201121 is a deficient number, since it is larger than the sum of its proper divisors (53087071).

20332201121 is an equidigital number, since it uses as much as digits as its factorization.

20332201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53087070.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20332201121 its reverse (12110223302), we get a palindrome (32442424423).

The spelling of 20332201121 in words is "twenty billion, three hundred thirty-two million, two hundred one thousand, one hundred twenty-one".