20234530 has 8 divisors (see below), whose sum is σ = 36422172. Its totient is φ = 8093808.

The previous prime is 20234521. The next prime is 20234551. The reversal of 20234530 is 3543202.

It can be written as a sum of positive squares in 2 ways, for example, as 18515809 + 1718721 = 4303^2 + 1311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20234498 and 20234507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011717 + ... + 1011736.

Almost surely, 2^20234530 is an apocalyptic number.

20234530 is a deficient number, since it is larger than the sum of its proper divisors (16187642).

20234530 is a wasteful number, since it uses less digits than its factorization.

20234530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023460.

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

The square root of 20234530 is about 4498.2807826991. The cubic root of 20234530 is about 272.4986617222.

Adding to 20234530 its reverse (3543202), we get a palindrome (23777732).

The spelling of 20234530 in words is "twenty million, two hundred thirty-four thousand, five hundred thirty".