420013315 has 4 divisors (see below), whose sum is σ = 504015984. Its totient is φ = 336010648.

The previous prime is 420013313. The next prime is 420013337. The reversal of 420013315 is 513310024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420013315 - 2¹ = 420013313 is a prime.

It is a super-2 number, since 2×420013315² = 352822369554578450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420013292 and 420013301.

It is not an unprimeable number, because it can be changed into a prime (420013313) 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 3 ways as a sum of consecutive naturals, for example, 42001327 + ... + 42001336.

It is an arithmetic number, because the mean of its divisors is an integer number (126003996).

Almost surely, 2^420013315 is an apocalyptic number.

420013315 is a deficient number, since it is larger than the sum of its proper divisors (84002669).

420013315 is an equidigital number, since it uses as much as digits as its factorization.

420013315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84002668.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 420013315 is about 20494.2263820814. The cubic root of 420013315 is about 748.8951524744.

Adding to 420013315 its reverse (513310024), we get a palindrome (933323339).

The spelling of 420013315 in words is "four hundred twenty million, thirteen thousand, three hundred fifteen".