20190230 has 8 divisors (see below), whose sum is σ = 36342432. Its totient is φ = 8076088.

The previous prime is 20190227. The next prime is 20190241. The reversal of 20190230 is 3209102.

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

It is a super-3 number, since 3×20190230³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20190199 and 20190208.

It is a congruent number.

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, 1009502 + ... + 1009521.

It is an arithmetic number, because the mean of its divisors is an integer number (4542804).

Almost surely, 2^20190230 is an apocalyptic number.

20190230 is a deficient number, since it is larger than the sum of its proper divisors (16152202).

20190230 is a wasteful number, since it uses less digits than its factorization.

20190230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019030.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 20190230 is about 4493.3539811593. The cubic root of 20190230 is about 272.2996535405.

Adding to 20190230 its reverse (3209102), we get a palindrome (23399332).

The spelling of 20190230 in words is "twenty million, one hundred ninety thousand, two hundred thirty".