20354230 has 32 divisors (see below), whose sum is σ = 40824000. Its totient is φ = 7254912.

The previous prime is 20354221. The next prime is 20354231. The reversal of 20354230 is 3245302.

It is a junction number, because it is equal to n+sod(n) for n = 20354198 and 20354207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071 + ... + 6469.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^20354230 is an apocalyptic number.

20354230 is an abundant number, since it is smaller than the sum of its proper divisors (20469770).

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

20354230 is a wasteful number, since it uses less digits than its factorization.

20354230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 20354230 is about 4511.5662468815. The cubic root of 20354230 is about 273.0349394202.

Adding to 20354230 its reverse (3245302), we get a palindrome (23599532).

The spelling of 20354230 in words is "twenty million, three hundred fifty-four thousand, two hundred thirty".