420266587331 has 2 divisors, whose sum is σ = 420266587332. Its totient is φ = 420266587330.

The previous prime is 420266587289. The next prime is 420266587357. The reversal of 420266587331 is 133785662024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420266587331 - 2¹⁰ = 420266586307 is a prime.

It is a super-2 number, since 2×420266587331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420266557331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210133293665 + 210133293666.

It is an arithmetic number, because the mean of its divisors is an integer number (210133293666).

Almost surely, 2^420266587331 is an apocalyptic number.

420266587331 is a deficient number, since it is larger than the sum of its proper divisors (1).

420266587331 is an equidigital number, since it uses as much as digits as its factorization.

420266587331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 420266587331 in words is "four hundred twenty billion, two hundred sixty-six million, five hundred eighty-seven thousand, three hundred thirty-one".