420300931 has 8 divisors (see below), whose sum is σ = 435127104. Its totient is φ = 405720000.

The previous prime is 420300917. The next prime is 420300941. The reversal of 420300931 is 139003024.

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

It is a cyclic number.

It is not a de Polignac number, because 420300931 - 2¹¹ = 420298883 is a prime.

It is a super-2 number, since 2×420300931² = 353305745198933522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420300941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57820 + ... + 64681.

It is an arithmetic number, because the mean of its divisors is an integer number (54390888).

Almost surely, 2^420300931 is an apocalyptic number.

420300931 is a deficient number, since it is larger than the sum of its proper divisors (14826173).

420300931 is a wasteful number, since it uses less digits than its factorization.

420300931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122621.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 420300931 is about 20501.2421818777. The cubic root of 420300931 is about 749.0660558509.

Adding to 420300931 its reverse (139003024), we get a palindrome (559303955).

The spelling of 420300931 in words is "four hundred twenty million, three hundred thousand, nine hundred thirty-one".