213330012320 has 48 divisors (see below), whose sum is σ = 504632848608. Its totient is φ = 85223527680.

The previous prime is 213330012317. The next prime is 213330012341. The reversal of 213330012320 is 23210033312.

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 = 213330012292 and 213330012301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721166 + ... + 973005.

It is an arithmetic number, because the mean of its divisors is an integer number (10513184346).

Almost surely, 2^213330012320 is an apocalyptic number.

213330012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213330012320 is an abundant number, since it is smaller than the sum of its proper divisors (291302836288).

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

213330012320 is a wasteful number, since it uses less digits than its factorization.

213330012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694973 (or 1694965 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213330012320 its reverse (23210033312), we get a palindrome (236540045632).

The spelling of 213330012320 in words is "two hundred thirteen billion, three hundred thirty million, twelve thousand, three hundred twenty".