213304001420 has 96 divisors (see below), whose sum is σ = 463319087616. Its totient is φ = 82435059200.

The previous prime is 213304001387. The next prime is 213304001527. The reversal of 213304001420 is 24100403312.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 213304001392 and 213304001401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60475697 + ... + 60479223.

It is an arithmetic number, because the mean of its divisors is an integer number (4826240496).

Almost surely, 2^213304001420 is an apocalyptic number.

213304001420 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 213304001420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231659543808).

213304001420 is an abundant number, since it is smaller than the sum of its proper divisors (250015086196).

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

213304001420 is a wasteful number, since it uses less digits than its factorization.

213304001420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4269 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213304001420 its reverse (24100403312), we get a palindrome (237404404732).

The spelling of 213304001420 in words is "two hundred thirteen billion, three hundred four million, one thousand, four hundred twenty".