20242151767 has 2 divisors, whose sum is σ = 20242151768. Its totient is φ = 20242151766.

The previous prime is 20242151717. The next prime is 20242151791. The reversal of 20242151767 is 76715124202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20242151767 - 2¹⁵ = 20242118999 is a prime.

It is a super-2 number, since 2×20242151767² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20242151717) 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, 10121075883 + 10121075884.

It is an arithmetic number, because the mean of its divisors is an integer number (10121075884).

Almost surely, 2^20242151767 is an apocalyptic number.

20242151767 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242151767 is an equidigital number, since it uses as much as digits as its factorization.

20242151767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 20242151767 its reverse (76715124202), we get a palindrome (96957275969).

The spelling of 20242151767 in words is "twenty billion, two hundred forty-two million, one hundred fifty-one thousand, seven hundred sixty-seven".