420700263 has 8 divisors (see below), whose sum is σ = 562306800. Its totient is φ = 279780288.

The previous prime is 420700211. The next prime is 420700279. The reversal of 420700263 is 362007024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420700263 - 2¹² = 420696167 is a prime.

It is a super-2 number, since 2×420700263² = 353977422576538338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420700283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170208 + ... + 172661.

It is an arithmetic number, because the mean of its divisors is an integer number (70288350).

Almost surely, 2^420700263 is an apocalyptic number.

420700263 is a deficient number, since it is larger than the sum of its proper divisors (141606537).

420700263 is a wasteful number, since it uses less digits than its factorization.

420700263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343281.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 420700263 is about 20510.9790843831. The cubic root of 420700263 is about 749.3032124054.

Adding to 420700263 its reverse (362007024), we get a palindrome (782707287).

The spelling of 420700263 in words is "four hundred twenty million, seven hundred thousand, two hundred sixty-three".