20011444363 has 2 divisors, whose sum is σ = 20011444364. Its totient is φ = 20011444362.

The previous prime is 20011444333. The next prime is 20011444429. The reversal of 20011444363 is 36344411002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20011444363 - 2¹³ = 20011436171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011444333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005722181 + 10005722182.

It is an arithmetic number, because the mean of its divisors is an integer number (10005722182).

Almost surely, 2^20011444363 is an apocalyptic number.

20011444363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011444363 is an equidigital number, since it uses as much as digits as its factorization.

20011444363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20011444363 its reverse (36344411002), we get a palindrome (56355855365).

The spelling of 20011444363 in words is "twenty billion, eleven million, four hundred forty-four thousand, three hundred sixty-three".