20142230 has 16 divisors (see below), whose sum is σ = 36353664. Its totient is φ = 8035200.

The previous prime is 20142209. The next prime is 20142247. The reversal of 20142230 is 3224102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (2272104).

Almost surely, 2^20142230 is an apocalyptic number.

20142230 is a deficient number, since it is larger than the sum of its proper divisors (16211434).

20142230 is a wasteful number, since it uses less digits than its factorization.

20142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20142230 is about 4488.0095810949. The cubic root of 20142230 is about 272.0836950487.

Adding to 20142230 its reverse (3224102), we get a palindrome (23366332).

The spelling of 20142230 in words is "twenty million, one hundred forty-two thousand, two hundred thirty".