20032089 has 16 divisors (see below), whose sum is σ = 33300480. Its totient is φ = 10406160.

The previous prime is 20032087. The next prime is 20032097. The reversal of 20032089 is 98023002.

It is not a de Polignac number, because 20032089 - 2¹ = 20032087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20032087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43129 + ... + 43590.

It is an arithmetic number, because the mean of its divisors is an integer number (2081280).

Almost surely, 2^20032089 is an apocalyptic number.

It is an amenable number.

20032089 is a deficient number, since it is larger than the sum of its proper divisors (13268391).

20032089 is a wasteful number, since it uses less digits than its factorization.

20032089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86740.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20032089 is about 4475.7221763644. The cubic root of 20032089 is about 271.5868556666.

The spelling of 20032089 in words is "twenty million, thirty-two thousand, eighty-nine".