420213310 has 64 divisors (see below), whose sum is σ = 919745280. Its totient is φ = 136235520.

The previous prime is 420213187. The next prime is 420213317. The reversal of 420213310 is 13312024.

It is a happy number.

It is a super-2 number, since 2×420213310² = 353158451802312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420213317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29617 + ... + 41443.

It is an arithmetic number, because the mean of its divisors is an integer number (14371020).

Almost surely, 2^420213310 is an apocalyptic number.

420213310 is an abundant number, since it is smaller than the sum of its proper divisors (499531970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420213310 is a wasteful number, since it uses less digits than its factorization.

420213310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11881.

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

The square root of 420213310 is about 20499.1051024185. The cubic root of 420213310 is about 749.0139991192.

Adding to 420213310 its reverse (13312024), we get a palindrome (433525334).

The spelling of 420213310 in words is "four hundred twenty million, two hundred thirteen thousand, three hundred ten".