213032013001220 has 48 divisors (see below), whose sum is σ = 511578114526080. Its totient is φ = 72996506840064.

The previous prime is 213032013001217. The next prime is 213032013001243. The reversal of 213032013001220 is 22100310230312.

It is a super-2 number, since 2×213032013001220² (a number of 29 digits) contains 22 as substring.

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 = 213032013001192 and 213032013001201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448099850 + ... + 448575009.

It is an arithmetic number, because the mean of its divisors is an integer number (10657877385960).

Almost surely, 2^{213032013001220} is an apocalyptic number.

213032013001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213032013001220 is an abundant number, since it is smaller than the sum of its proper divisors (298546101524860).

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

213032013001220 is a wasteful number, since it uses less digits than its factorization.

213032013001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896676572 (or 896676570 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213032013001220 its reverse (22100310230312), we get a palindrome (235132323231532).

The spelling of 213032013001220 in words is "two hundred thirteen trillion, thirty-two billion, thirteen million, one thousand, two hundred twenty".