20142212 has 24 divisors (see below), whose sum is σ = 37608480. Its totient is φ = 9406080.

The previous prime is 20142209. The next prime is 20142247. The reversal of 20142212 is 21224102.

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, 8387 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (1567020).

Almost surely, 2^20142212 is an apocalyptic number.

It is an amenable number.

20142212 is a deficient number, since it is larger than the sum of its proper divisors (17466268).

20142212 is a wasteful number, since it uses less digits than its factorization.

20142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20142212 is about 4488.0075757512. The cubic root of 20142212 is about 272.0836139999.

Adding to 20142212 its reverse (21224102), we get a palindrome (41366314).

The spelling of 20142212 in words is "twenty million, one hundred forty-two thousand, two hundred twelve".