20254230 has 48 divisors (see below), whose sum is σ = 52902720. Its totient is φ = 5376384.

The previous prime is 20254219. The next prime is 20254243. The reversal of 20254230 is 3245202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27811 + ... + 28529.

It is an arithmetic number, because the mean of its divisors is an integer number (1102140).

Almost surely, 2^20254230 is an apocalyptic number.

20254230 is an abundant number, since it is smaller than the sum of its proper divisors (32648490).

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

20254230 is a wasteful number, since it uses less digits than its factorization.

20254230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20254230 is about 4500.4699754581. The cubic root of 20254230 is about 272.5870664186.

Adding to 20254230 its reverse (3245202), we get a palindrome (23499432).

Subtracting from 20254230 its reverse (3245202), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 20254230 in words is "twenty million, two hundred fifty-four thousand, two hundred thirty".