213403401420 has 192 divisors, whose sum is σ = 713995430400. Its totient is φ = 47011901440.

The previous prime is 213403401413. The next prime is 213403401433. The reversal of 213403401420 is 24104304312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2550 + ... + 653309.

It is an arithmetic number, because the mean of its divisors is an integer number (3718726200).

Almost surely, 2^213403401420 is an apocalyptic number.

213403401420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213403401420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356997715200).

213403401420 is an abundant number, since it is smaller than the sum of its proper divisors (500592028980).

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

213403401420 is a wasteful number, since it uses less digits than its factorization.

213403401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655928 (or 655926 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213403401420 its reverse (24104304312), we get a palindrome (237507705732).

The spelling of 213403401420 in words is "two hundred thirteen billion, four hundred three million, four hundred one thousand, four hundred twenty".