20239085 has 8 divisors (see below), whose sum is σ = 25565280. Its totient is φ = 15339024.

The previous prime is 20239073. The next prime is 20239099. The reversal of 20239085 is 58093202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20239085 - 2⁴ = 20239069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106427 + ... + 106616.

It is an arithmetic number, because the mean of its divisors is an integer number (3195660).

Almost surely, 2^20239085 is an apocalyptic number.

It is an amenable number.

20239085 is a deficient number, since it is larger than the sum of its proper divisors (5326195).

20239085 is a wasteful number, since it uses less digits than its factorization.

20239085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213067.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 20239085 is about 4498.7870587526. The cubic root of 20239085 is about 272.5191076016.

The spelling of 20239085 in words is "twenty million, two hundred thirty-nine thousand, eighty-five".