420013535015 has 4 divisors (see below), whose sum is σ = 504016242024. Its totient is φ = 336010828008.

The previous prime is 420013534999. The next prime is 420013535023. The reversal of 420013535015 is 510535310024.

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 420013535015 - 2⁴ = 420013534999 is a prime.

It is a super-2 number, since 2×420013535015² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42001353497 + ... + 42001353506.

It is an arithmetic number, because the mean of its divisors is an integer number (126004060506).

Almost surely, 2^420013535015 is an apocalyptic number.

420013535015 is a deficient number, since it is larger than the sum of its proper divisors (84002707009).

420013535015 is an equidigital number, since it uses as much as digits as its factorization.

420013535015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84002707008.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 420013535015 its reverse (510535310024), we get a palindrome (930548845039).

The spelling of 420013535015 in words is "four hundred twenty billion, thirteen million, five hundred thirty-five thousand, fifteen".