20212314242 has 4 divisors (see below), whose sum is σ = 30318471366. Its totient is φ = 10106157120.

The previous prime is 20212314229. The next prime is 20212314253. The reversal of 20212314242 is 24241321202.

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., 15519927241 + 4692387001 = 124579^2 + 68501^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053078559 + ... + 5053078562.

Almost surely, 2^20212314242 is an apocalyptic number.

20212314242 is a deficient number, since it is larger than the sum of its proper divisors (10106157124).

20212314242 is a wasteful number, since it uses less digits than its factorization.

20212314242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106157123.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20212314242 its reverse (24241321202), we get a palindrome (44453635444).

The spelling of 20212314242 in words is "twenty billion, two hundred twelve million, three hundred fourteen thousand, two hundred forty-two".