20134089 has 10 divisors (see below), whose sum is σ = 30076970. Its totient is φ = 13422672.

The previous prime is 20134073. The next prime is 20134111. The reversal of 20134089 is 98043102.

It can be written as a sum of positive squares in only one way, i.e., 15468489 + 4665600 = 3933^2 + 2160^2 .

It is not a de Polignac number, because 20134089 - 2⁴ = 20134073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20134489) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124204 + ... + 124365.

It is an arithmetic number, because the mean of its divisors is an integer number (3007697).

Almost surely, 2^20134089 is an apocalyptic number.

It is an amenable number.

20134089 is a deficient number, since it is larger than the sum of its proper divisors (9942881).

20134089 is an equidigital number, since it uses as much as digits as its factorization.

20134089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248581 (or 248572 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20134089 is about 4487.1025172153. The cubic root of 20134089 is about 272.0470335693.

The spelling of 20134089 in words is "twenty million, one hundred thirty-four thousand, eighty-nine".