242020783 has 2 divisors, whose sum is σ = 242020784. Its totient is φ = 242020782.

The previous prime is 242020771. The next prime is 242020787. The reversal of 242020783 is 387020242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242020783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242020787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121010391 + 121010392.

It is an arithmetic number, because the mean of its divisors is an integer number (121010392).

Almost surely, 2^242020783 is an apocalyptic number.

242020783 is a deficient number, since it is larger than the sum of its proper divisors (1).

242020783 is an equidigital number, since it uses as much as digits as its factorization.

242020783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 242020783 is about 15557.0171626826. The cubic root of 242020783 is about 623.1858071824.

The spelling of 242020783 in words is "two hundred forty-two million, twenty thousand, seven hundred eighty-three".