20263214 has 4 divisors (see below), whose sum is σ = 30394824. Its totient is φ = 10131606.

The previous prime is 20263193. The next prime is 20263219. The reversal of 20263214 is 41236202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20263219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065802 + ... + 5065805.

It is an arithmetic number, because the mean of its divisors is an integer number (7598706).

Almost surely, 2^20263214 is an apocalyptic number.

20263214 is a deficient number, since it is larger than the sum of its proper divisors (10131610).

20263214 is a wasteful number, since it uses less digits than its factorization.

20263214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131609.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20263214 is about 4501.4679827807. The cubic root of 20263214 is about 272.6273635188.

Adding to 20263214 its reverse (41236202), we get a palindrome (61499416).

The spelling of 20263214 in words is "twenty million, two hundred sixty-three thousand, two hundred fourteen".