20441305355 has 8 divisors (see below), whose sum is σ = 24550884864. Its totient is φ = 16338832000.

The previous prime is 20441305349. The next prime is 20441305373. The reversal of 20441305355 is 55350314402.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-20441305355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770206 + ... + 1781715.

It is an arithmetic number, because the mean of its divisors is an integer number (3068860608).

Almost surely, 2^20441305355 is an apocalyptic number.

20441305355 is a deficient number, since it is larger than the sum of its proper divisors (4109579509).

20441305355 is a wasteful number, since it uses less digits than its factorization.

20441305355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553077.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 20441305355 its reverse (55350314402), we get a palindrome (75791619757).

The spelling of 20441305355 in words is "twenty billion, four hundred forty-one million, three hundred five thousand, three hundred fifty-five".