20120230 has 64 divisors (see below), whose sum is σ = 41368320. Its totient is φ = 6994944.

The previous prime is 20120213. The next prime is 20120237. The reversal of 20120230 is 3202102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226026 + ... + 226114.

It is an arithmetic number, because the mean of its divisors is an integer number (646380).

Almost surely, 2^20120230 is an apocalyptic number.

20120230 is an abundant number, since it is smaller than the sum of its proper divisors (21248090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120230 is a wasteful number, since it uses less digits than its factorization.

20120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20120230 is about 4485.5579363107. The cubic root of 20120230 is about 271.9845994020.

Adding to 20120230 its reverse (3202102), we get a palindrome (23322332).

The spelling of 20120230 in words is "twenty million, one hundred twenty thousand, two hundred thirty".