420633067 has 2 divisors, whose sum is σ = 420633068. Its totient is φ = 420633066.

The previous prime is 420633061. The next prime is 420633089. The reversal of 420633067 is 760336024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420633067 - 2¹¹ = 420631019 is a prime.

It is not a weakly prime, because it can be changed into another prime (420633061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210316533 + 210316534.

It is an arithmetic number, because the mean of its divisors is an integer number (210316534).

Almost surely, 2^420633067 is an apocalyptic number.

420633067 is a deficient number, since it is larger than the sum of its proper divisors (1).

420633067 is an equidigital number, since it uses as much as digits as its factorization.

420633067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 420633067 is about 20509.3409694217. The cubic root of 420633067 is about 749.2633163369.

It can be divided in two parts, 4206 and 33067, that added together give a palindrome (37273).

The spelling of 420633067 in words is "four hundred twenty million, six hundred thirty-three thousand, sixty-seven".