20244782783 has 2 divisors, whose sum is σ = 20244782784. Its totient is φ = 20244782782.

The previous prime is 20244782737. The next prime is 20244782807. The reversal of 20244782783 is 38728744202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20244782783 - 2¹⁰ = 20244781759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244782083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122391391 + 10122391392.

It is an arithmetic number, because the mean of its divisors is an integer number (10122391392).

Almost surely, 2^20244782783 is an apocalyptic number.

20244782783 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244782783 is an equidigital number, since it uses as much as digits as its factorization.

20244782783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1204224, while the sum is 47.

The spelling of 20244782783 in words is "twenty billion, two hundred forty-four million, seven hundred eighty-two thousand, seven hundred eighty-three".