20375127009 has 24 divisors (see below), whose sum is σ = 30126096000. Its totient is φ = 13262713632.

The previous prime is 20375126969. The next prime is 20375127029. The reversal of 20375127009 is 90072157302.

It is not a de Polignac number, because 20375127009 - 2⁸ = 20375126753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20375127029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285867 + ... + 1301615.

It is an arithmetic number, because the mean of its divisors is an integer number (1255254000).

Almost surely, 2^20375127009 is an apocalyptic number.

It is an amenable number.

20375127009 is a deficient number, since it is larger than the sum of its proper divisors (9750968991).

20375127009 is a wasteful number, since it uses less digits than its factorization.

20375127009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19141 (or 19138 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 20375127009 in words is "twenty billion, three hundred seventy-five million, one hundred twenty-seven thousand, nine".