210424320420 has 48 divisors (see below), whose sum is σ = 589431669120. Its totient is φ = 56089954816.

The previous prime is 210424320409. The next prime is 210424320461. The reversal of 210424320420 is 24023424012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578325 + ... + 869084.

It is an arithmetic number, because the mean of its divisors is an integer number (12279826440).

Almost surely, 2^210424320420 is an apocalyptic number.

210424320420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210424320420 is an abundant number, since it is smaller than the sum of its proper divisors (379007348700).

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

210424320420 is a wasteful number, since it uses less digits than its factorization.

210424320420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449844 (or 1449842 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 210424320420 its reverse (24023424012), we get a palindrome (234447744432).

The spelling of 210424320420 in words is "two hundred ten billion, four hundred twenty-four million, three hundred twenty thousand, four hundred twenty".