20201120441 has 4 divisors (see below), whose sum is σ = 20209501584. Its totient is φ = 20192739300.

The previous prime is 20201120413. The next prime is 20201120447. The reversal of 20201120441 is 14402110202.

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 20201120441 - 2¹⁰ = 20201119417 is a prime.

It is a super-3 number, since 3×20201120441³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201120447) 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, 4186955 + ... + 4191776.

It is an arithmetic number, because the mean of its divisors is an integer number (5052375396).

Almost surely, 2^20201120441 is an apocalyptic number.

It is an amenable number.

20201120441 is a deficient number, since it is larger than the sum of its proper divisors (8381143).

20201120441 is an equidigital number, since it uses as much as digits as its factorization.

20201120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8381142.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20201120441 its reverse (14402110202), we get a palindrome (34603230643).

The spelling of 20201120441 in words is "twenty billion, two hundred one million, one hundred twenty thousand, four hundred forty-one".