20331435441 has 8 divisors (see below), whose sum is σ = 27376982784. Its totient is φ = 13420089200.

The previous prime is 20331435433. The next prime is 20331435491. The reversal of 20331435441 is 14453413302.

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 20331435441 - 2³ = 20331435433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20331435399 and 20331435408.

It is not an unprimeable number, because it can be changed into a prime (20331435491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33549921 + ... + 33550526.

It is an arithmetic number, because the mean of its divisors is an integer number (3422122848).

Almost surely, 2^20331435441 is an apocalyptic number.

It is an amenable number.

20331435441 is a deficient number, since it is larger than the sum of its proper divisors (7045547343).

20331435441 is a wasteful number, since it uses less digits than its factorization.

20331435441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67100551.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 20331435441 its reverse (14453413302), we get a palindrome (34784848743).

The spelling of 20331435441 in words is "twenty billion, three hundred thirty-one million, four hundred thirty-five thousand, four hundred forty-one".