21200144314 has 4 divisors (see below), whose sum is σ = 31800216474. Its totient is φ = 10600072156.

The previous prime is 21200144299. The next prime is 21200144443. The reversal of 21200144314 is 41344100212.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 18504977089 + 2695167225 = 136033^2 + 51915^2 .

It is a super-2 number, since 2×21200144314² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5300036077 + ... + 5300036080.

Almost surely, 2^21200144314 is an apocalyptic number.

21200144314 is a deficient number, since it is larger than the sum of its proper divisors (10600072160).

21200144314 is a wasteful number, since it uses less digits than its factorization.

21200144314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600072159.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21200144314 its reverse (41344100212), we get a palindrome (62544244526).

The spelling of 21200144314 in words is "twenty-one billion, two hundred million, one hundred forty-four thousand, three hundred fourteen".