20089934147 has 4 divisors (see below), whose sum is σ = 20090227920. Its totient is φ = 20089640376.

The previous prime is 20089934089. The next prime is 20089934167. The reversal of 20089934147 is 74143998002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20089934147 - 2⁶ = 20089934083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20089934167) 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, 15629 + ... + 201057.

It is an arithmetic number, because the mean of its divisors is an integer number (5022556980).

Almost surely, 2^20089934147 is an apocalyptic number.

20089934147 is a deficient number, since it is larger than the sum of its proper divisors (293773).

20089934147 is a wasteful number, since it uses less digits than its factorization.

20089934147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293772.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 20089934147 in words is "twenty billion, eighty-nine million, nine hundred thirty-four thousand, one hundred forty-seven".