20133223441 has 8 divisors (see below), whose sum is σ = 21201785600. Its totient is φ = 19065553200.

The previous prime is 20133223433. The next prime is 20133223459. The reversal of 20133223441 is 14432233102.

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 20133223441 - 2³ = 20133223433 is a prime.

It is a super-2 number, since 2×20133223441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133223421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176385 + ... + 267166.

It is an arithmetic number, because the mean of its divisors is an integer number (2650223200).

Almost surely, 2^20133223441 is an apocalyptic number.

It is an amenable number.

20133223441 is a deficient number, since it is larger than the sum of its proper divisors (1068562159).

20133223441 is a wasteful number, since it uses less digits than its factorization.

20133223441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445959.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20133223441 its reverse (14432233102), we get a palindrome (34565456543).

The spelling of 20133223441 in words is "twenty billion, one hundred thirty-three million, two hundred twenty-three thousand, four hundred forty-one".