20012244052 has 6 divisors (see below), whose sum is σ = 35021427098. Its totient is φ = 10006122024.

The previous prime is 20012244047. The next prime is 20012244157. The reversal of 20012244052 is 25044221002.

It can be written as a sum of positive squares in only one way, i.e., 14066908816 + 5945335236 = 118604^2 + 77106^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501530503 + ... + 2501530510.

Almost surely, 2^20012244052 is an apocalyptic number.

It is an amenable number.

20012244052 is a deficient number, since it is larger than the sum of its proper divisors (15009183046).

20012244052 is a wasteful number, since it uses less digits than its factorization.

20012244052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003061017 (or 5003061015 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20012244052 its reverse (25044221002), we get a palindrome (45056465054).

The spelling of 20012244052 in words is "twenty billion, twelve million, two hundred forty-four thousand, fifty-two".