20000183641 has 4 divisors (see below), whose sum is σ = 20070855952. Its totient is φ = 19929511332.

The previous prime is 20000183627. The next prime is 20000183657. The reversal of 20000183641 is 14638100002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20000183641 - 2⁷ = 20000183513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000183041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35335731 + ... + 35336296.

It is an arithmetic number, because the mean of its divisors is an integer number (5017713988).

Almost surely, 2^20000183641 is an apocalyptic number.

It is an amenable number.

20000183641 is a deficient number, since it is larger than the sum of its proper divisors (70672311).

20000183641 is an equidigital number, since it uses as much as digits as its factorization.

20000183641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70672310.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 20000183641 its reverse (14638100002), we get a palindrome (34638283643).

The spelling of 20000183641 in words is "twenty billion, one hundred eighty-three thousand, six hundred forty-one".