201424342027 has 2 divisors, whose sum is σ = 201424342028. Its totient is φ = 201424342026.

The previous prime is 201424341997. The next prime is 201424342081. The reversal of 201424342027 is 720243424102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201424342027 is a prime.

It is a super-2 number, since 2×201424342027² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201424342027.

It is not a weakly prime, because it can be changed into another prime (201424342927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100712171013 + 100712171014.

It is an arithmetic number, because the mean of its divisors is an integer number (100712171014).

Almost surely, 2^201424342027 is an apocalyptic number.

201424342027 is a deficient number, since it is larger than the sum of its proper divisors (1).

201424342027 is an equidigital number, since it uses as much as digits as its factorization.

201424342027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 201424342027 its reverse (720243424102), we get a palindrome (921667766129).

The spelling of 201424342027 in words is "two hundred one billion, four hundred twenty-four million, three hundred forty-two thousand, twenty-seven".