420682013 has 4 divisors (see below), whose sum is σ = 420766368. Its totient is φ = 420597660.

The previous prime is 420681953. The next prime is 420682027. The reversal of 420682013 is 310286024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420682013 - 2¹⁶ = 420616477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420682063) 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 3 ways as a sum of consecutive naturals, for example, 34193 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (105191592).

Almost surely, 2^420682013 is an apocalyptic number.

It is an amenable number.

420682013 is a deficient number, since it is larger than the sum of its proper divisors (84355).

420682013 is an equidigital number, since it uses as much as digits as its factorization.

420682013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84354.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 420682013 is about 20510.5341958712. The cubic root of 420682013 is about 749.2923773109.

The spelling of 420682013 in words is "four hundred twenty million, six hundred eighty-two thousand, thirteen".