20092989633 has 4 divisors (see below), whose sum is σ = 26790652848. Its totient is φ = 13395326420.

The previous prime is 20092989613. The next prime is 20092989661. The reversal of 20092989633 is 33698929002.

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 20092989633 - 2⁶ = 20092989569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20092989613) 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, 3348831603 + ... + 3348831608.

It is an arithmetic number, because the mean of its divisors is an integer number (6697663212).

Almost surely, 2^20092989633 is an apocalyptic number.

It is an amenable number.

20092989633 is a deficient number, since it is larger than the sum of its proper divisors (6697663215).

20092989633 is an equidigital number, since it uses as much as digits as its factorization.

20092989633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697663214.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 20092989633 in words is "twenty billion, ninety-two million, nine hundred eighty-nine thousand, six hundred thirty-three".