20012214241 has 4 divisors (see below), whose sum is σ = 21189403332. Its totient is φ = 18835025152.

The previous prime is 20012214203. The next prime is 20012214289. The reversal of 20012214241 is 14241221002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9085902400 + 10926311841 = 95320^2 + 104529^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20012214241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012214041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588594520 + ... + 588594553.

It is an arithmetic number, because the mean of its divisors is an integer number (5297350833).

Almost surely, 2^20012214241 is an apocalyptic number.

It is an amenable number.

20012214241 is a deficient number, since it is larger than the sum of its proper divisors (1177189091).

20012214241 is a wasteful number, since it uses less digits than its factorization.

20012214241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177189090.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20012214241 its reverse (14241221002), we get a palindrome (34253435243).

The spelling of 20012214241 in words is "twenty billion, twelve million, two hundred fourteen thousand, two hundred forty-one".