20413033441 has 8 divisors (see below), whose sum is σ = 21615969960. Its totient is φ = 19210338048.

The previous prime is 20413033427. The next prime is 20413033453. The reversal of 20413033441 is 14433031402.

It can be written as a sum of positive squares in 4 ways, for example, as 1560645025 + 18852388416 = 39505^2 + 137304^2 .

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 20413033441 - 2⁵ = 20413033409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20413033471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131475 + ... + 241063.

It is an arithmetic number, because the mean of its divisors is an integer number (2701996245).

Almost surely, 2^20413033441 is an apocalyptic number.

It is an amenable number.

20413033441 is a deficient number, since it is larger than the sum of its proper divisors (1202936519).

20413033441 is a wasteful number, since it uses less digits than its factorization.

20413033441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120563.

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

Adding to 20413033441 its reverse (14433031402), we get a palindrome (34846064843).

The spelling of 20413033441 in words is "twenty billion, four hundred thirteen million, thirty-three thousand, four hundred forty-one".