420039013 has 8 divisors (see below), whose sum is σ = 431450208. Its totient is φ = 408779184.

The previous prime is 420038981. The next prime is 420039019. The reversal of 420039013 is 310930024.

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 420039013 - 2⁵ = 420038981 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 (420039019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32206 + ... + 43327.

It is an arithmetic number, because the mean of its divisors is an integer number (53931276).

Almost surely, 2^420039013 is an apocalyptic number.

It is an amenable number.

420039013 is a deficient number, since it is larger than the sum of its proper divisors (11411195).

420039013 is an equidigital number, since it uses as much as digits as its factorization.

420039013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75683.

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

The square root of 420039013 is about 20494.8533295557. The cubic root of 420039013 is about 748.9104255737.

Adding to 420039013 its reverse (310930024), we get a palindrome (730969037).

The spelling of 420039013 in words is "four hundred twenty million, thirty-nine thousand, thirteen".