20231830 has 8 divisors (see below), whose sum is σ = 36417312. Its totient is φ = 8092728.

The previous prime is 20231807. The next prime is 20231839. The reversal of 20231830 is 3813202.

It is a happy number.

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 = 20231798 and 20231807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231839) 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 3 ways as a sum of consecutive naturals, for example, 1011582 + ... + 1011601.

It is an arithmetic number, because the mean of its divisors is an integer number (4552164).

Almost surely, 2^20231830 is an apocalyptic number.

20231830 is a deficient number, since it is larger than the sum of its proper divisors (16185482).

20231830 is a wasteful number, since it uses less digits than its factorization.

20231830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023190.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20231830 is about 4497.9806580287. The cubic root of 20231830 is about 272.4865408722.

The spelling of 20231830 in words is "twenty million, two hundred thirty-one thousand, eight hundred thirty".