20087230 has 16 divisors (see below), whose sum is σ = 36320400. Its totient is φ = 7998592.

The previous prime is 20087213. The next prime is 20087231. The reversal of 20087230 is 3278002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20087231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (2270025).

Almost surely, 2^20087230 is an apocalyptic number.

20087230 is a deficient number, since it is larger than the sum of its proper divisors (16233170).

20087230 is a wasteful number, since it uses less digits than its factorization.

20087230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20087230 is about 4481.8779546079. The cubic root of 20087230 is about 271.8358203990.

The spelling of 20087230 in words is "twenty million, eighty-seven thousand, two hundred thirty".