420303105 has 12 divisors (see below), whose sum is σ = 728525460. Its totient is φ = 224161632.

The previous prime is 420303101. The next prime is 420303109. The reversal of 420303105 is 501303024.

It is an interprime number because it is at equal distance from previous prime (420303101) and next prime (420303109).

It can be written as a sum of positive squares in 2 ways, for example, as 133610481 + 286692624 = 11559^2 + 16932^2 .

It is not a de Polignac number, because 420303105 - 2² = 420303101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420303101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4669990 + ... + 4670079.

It is an arithmetic number, because the mean of its divisors is an integer number (60710455).

Almost surely, 2^420303105 is an apocalyptic number.

420303105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420303105 is a deficient number, since it is larger than the sum of its proper divisors (308222355).

420303105 is a wasteful number, since it uses less digits than its factorization.

420303105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340080 (or 9340077 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 420303105 is about 20501.2952029866. The cubic root of 420303105 is about 749.0673473595.

Adding to 420303105 its reverse (501303024), we get a palindrome (921606129).

The spelling of 420303105 in words is "four hundred twenty million, three hundred three thousand, one hundred five".