20005505337 has 8 divisors (see below), whose sum is σ = 26675605600. Its totient is φ = 13336204320.

The previous prime is 20005505279. The next prime is 20005505341. The reversal of 20005505337 is 73350550002.

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

It is not a de Polignac number, because 20005505337 - 2⁸ = 20005505081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20005505347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138739 + ... + 243432.

It is an arithmetic number, because the mean of its divisors is an integer number (3334450700).

Almost surely, 2^20005505337 is an apocalyptic number.

It is an amenable number.

20005505337 is a deficient number, since it is larger than the sum of its proper divisors (6670100263).

20005505337 is a wasteful number, since it uses less digits than its factorization.

20005505337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399623.

The product of its (nonzero) digits is 15750, while the sum is 30.

The spelling of 20005505337 in words is "twenty billion, five million, five hundred five thousand, three hundred thirty-seven".