20814212 has 12 divisors (see below), whose sum is σ = 36644160. Its totient is φ = 10344456.

The previous prime is 20814203. The next prime is 20814251. The reversal of 20814212 is 21241802.

It is a happy 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, 14912 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (3053680).

Almost surely, 2^20814212 is an apocalyptic number.

It is an amenable number.

20814212 is a deficient number, since it is larger than the sum of its proper divisors (15829948).

20814212 is a wasteful number, since it uses less digits than its factorization.

20814212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31330 (or 31328 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 20814212 is about 4562.2595279094. The cubic root of 20814212 is about 275.0763953043.

It can be divided in two parts, 208 and 14212, that multiplied together give a triangular number (2956096 = T₂₄₃₁).

The spelling of 20814212 in words is "twenty million, eight hundred fourteen thousand, two hundred twelve".