20227977743 has 2 divisors, whose sum is σ = 20227977744. Its totient is φ = 20227977742.

The previous prime is 20227977701. The next prime is 20227977787. The reversal of 20227977743 is 34777972202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20227977743 - 2⁸ = 20227977487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20227977691 and 20227977700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20227977793) by changing a digit.

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, 10113988871 + 10113988872.

It is an arithmetic number, because the mean of its divisors is an integer number (10113988872).

Almost surely, 2^20227977743 is an apocalyptic number.

20227977743 is a deficient number, since it is larger than the sum of its proper divisors (1).

20227977743 is an equidigital number, since it uses as much as digits as its factorization.

20227977743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 20227977743 in words is "twenty billion, two hundred twenty-seven million, nine hundred seventy-seven thousand, seven hundred forty-three".