420213013 has 8 divisors (see below), whose sum is σ = 478345536. Its totient is φ = 365402400.

The previous prime is 420213007. The next prime is 420213019. The reversal of 420213013 is 310312024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420213007) and next prime (420213019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420213013 - 2²⁵ = 386658581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420213019) 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, 830208 + ... + 830713.

It is an arithmetic number, because the mean of its divisors is an integer number (59793192).

Almost surely, 2^420213013 is an apocalyptic number.

It is an amenable number.

420213013 is a deficient number, since it is larger than the sum of its proper divisors (58132523).

420213013 is a wasteful number, since it uses less digits than its factorization.

420213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660955.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 420213013 is about 20499.0978581985. The cubic root of 420213013 is about 749.0138226555.

Adding to 420213013 its reverse (310312024), we get a palindrome (730525037).

The spelling of 420213013 in words is "four hundred twenty million, two hundred thirteen thousand, thirteen".