20214641233 has 4 divisors (see below), whose sum is σ = 20232642928. Its totient is φ = 20196639540.

The previous prime is 20214641219. The next prime is 20214641243. The reversal of 20214641233 is 33214641202.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-20214641233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214641243) 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 3 ways as a sum of consecutive naturals, for example, 8999163 + ... + 9001408.

It is an arithmetic number, because the mean of its divisors is an integer number (5058160732).

Almost surely, 2^20214641233 is an apocalyptic number.

It is an amenable number.

20214641233 is a deficient number, since it is larger than the sum of its proper divisors (18001695).

20214641233 is a wasteful number, since it uses less digits than its factorization.

20214641233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18001694.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 20214641233 in words is "twenty billion, two hundred fourteen million, six hundred forty-one thousand, two hundred thirty-three".