420032232247 has 2 divisors, whose sum is σ = 420032232248. Its totient is φ = 420032232246.

The previous prime is 420032232203. The next prime is 420032232259. The reversal of 420032232247 is 742232230024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420032232247 is a prime.

It is a super-2 number, since 2×420032232247² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420032232847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210016116123 + 210016116124.

It is an arithmetic number, because the mean of its divisors is an integer number (210016116124).

Almost surely, 2^420032232247 is an apocalyptic number.

420032232247 is a deficient number, since it is larger than the sum of its proper divisors (1).

420032232247 is an equidigital number, since it uses as much as digits as its factorization.

420032232247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 31.

The spelling of 420032232247 in words is "four hundred twenty billion, thirty-two million, two hundred thirty-two thousand, two hundred forty-seven".