213020321313220 has 96 divisors (see below), whose sum is σ = 454043509920000. Its totient is φ = 83937822635520.

The previous prime is 213020321313193. The next prime is 213020321313223. The reversal of 213020321313220 is 22313123020312.

It is not an unprimeable number, because it can be changed into a prime (213020321313223) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3095246410 + ... + 3095315230.

It is an arithmetic number, because the mean of its divisors is an integer number (4729619895000).

Almost surely, 2^{213020321313220} is an apocalyptic number.

213020321313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213020321313220 is an abundant number, since it is smaller than the sum of its proper divisors (241023188606780).

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

213020321313220 is a wasteful number, since it uses less digits than its factorization.

213020321313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74285 (or 74283 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213020321313220 its reverse (22313123020312), we get a palindrome (235333444333532).

The spelling of 213020321313220 in words is "two hundred thirteen trillion, twenty billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred twenty".