20541230 has 16 divisors (see below), whose sum is σ = 37141200. Its totient is φ = 8179392.

The previous prime is 20541221. The next prime is 20541233. The reversal of 20541230 is 3214502.

It is a junction number, because it is equal to n+sod(n) for n = 20541199 and 20541208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541233) 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, 2255 + ... + 6794.

It is an arithmetic number, because the mean of its divisors is an integer number (2321325).

Almost surely, 2^20541230 is an apocalyptic number.

20541230 is a deficient number, since it is larger than the sum of its proper divisors (16599970).

20541230 is a wasteful number, since it uses less digits than its factorization.

20541230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9283.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20541230 is about 4532.2433738713. The cubic root of 20541230 is about 273.8685411980.

Adding to 20541230 its reverse (3214502), we get a palindrome (23755732).

The spelling of 20541230 in words is "twenty million, five hundred forty-one thousand, two hundred thirty".