20275214 has 4 divisors (see below), whose sum is σ = 30412824. Its totient is φ = 10137606.

The previous prime is 20275207. The next prime is 20275219. The reversal of 20275214 is 41257202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20275214² = 822168605491592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20275214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20275219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068802 + ... + 5068805.

It is an arithmetic number, because the mean of its divisors is an integer number (7603206).

Almost surely, 2^20275214 is an apocalyptic number.

20275214 is a deficient number, since it is larger than the sum of its proper divisors (10137610).

20275214 is a wasteful number, since it uses less digits than its factorization.

20275214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137609.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 20275214 is about 4502.8006840188. The cubic root of 20275214 is about 272.6811700994.

The spelling of 20275214 in words is "twenty million, two hundred seventy-five thousand, two hundred fourteen".