20150230 has 16 divisors (see below), whose sum is σ = 37114704. Its totient is φ = 7872480.

The previous prime is 20150227. The next prime is 20150233. The reversal of 20150230 is 3205102.

It is an interprime number because it is at equal distance from previous prime (20150227) and next prime (20150233).

It is a self number, because there is not a number n which added to its sum of digits gives 20150230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150233) 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, 23001 + ... + 23860.

It is an arithmetic number, because the mean of its divisors is an integer number (2319669).

Almost surely, 2^20150230 is an apocalyptic number.

20150230 is a deficient number, since it is larger than the sum of its proper divisors (16964474).

20150230 is a wasteful number, since it uses less digits than its factorization.

20150230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46911.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 20150230 is about 4488.9007563099. The cubic root of 20150230 is about 272.1197119388.

Adding to 20150230 its reverse (3205102), we get a palindrome (23355332).

The spelling of 20150230 in words is "twenty million, one hundred fifty thousand, two hundred thirty".