242020507 has 2 divisors, whose sum is σ = 242020508. Its totient is φ = 242020506.

The previous prime is 242020463. The next prime is 242020547. The reversal of 242020507 is 705020242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242020507 - 2¹¹ = 242018459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242020547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121010253 + 121010254.

It is an arithmetic number, because the mean of its divisors is an integer number (121010254).

Almost surely, 2^242020507 is an apocalyptic number.

242020507 is a deficient number, since it is larger than the sum of its proper divisors (1).

242020507 is an equidigital number, since it uses as much as digits as its factorization.

242020507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 242020507 is about 15557.0082920850. The cubic root of 242020507 is about 623.1855702890.

Adding to 242020507 its reverse (705020242), we get a palindrome (947040749).

The spelling of 242020507 in words is "two hundred forty-two million, twenty thousand, five hundred seven".