426020015 has 8 divisors (see below), whose sum is σ = 511340640. Its totient is φ = 340738272.

The previous prime is 426020009. The next prime is 426020027. The reversal of 426020015 is 510020624.

It is a happy number.

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 426020015 - 2¹⁰ = 426018991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27017 + ... + 39773.

It is an arithmetic number, because the mean of its divisors is an integer number (63917580).

Almost surely, 2^426020015 is an apocalyptic number.

426020015 is a deficient number, since it is larger than the sum of its proper divisors (85320625).

426020015 is a wasteful number, since it uses less digits than its factorization.

426020015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19441.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 426020015 is about 20640.2522998146. The cubic root of 426020015 is about 752.4483042304.

Adding to 426020015 its reverse (510020624), we get a palindrome (936040639).

The spelling of 426020015 in words is "four hundred twenty-six million, twenty thousand, fifteen".