420215039 has 8 divisors (see below), whose sum is σ = 443969280. Its totient is φ = 396624600.

The previous prime is 420215011. The next prime is 420215041. The reversal of 420215039 is 930512024.

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 420215039 - 2¹⁶ = 420149503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420214999 and 420215017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420215099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35657 + ... + 45954.

It is an arithmetic number, because the mean of its divisors is an integer number (55496160).

Almost surely, 2^420215039 is an apocalyptic number.

420215039 is a deficient number, since it is larger than the sum of its proper divisors (23754241).

420215039 is a wasteful number, since it uses less digits than its factorization.

420215039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81901.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 420215039 is about 20499.1472749478. The cubic root of 420215039 is about 749.0150264097.

The spelling of 420215039 in words is "four hundred twenty million, two hundred fifteen thousand, thirty-nine".