210220311320 has 32 divisors (see below), whose sum is σ = 473122743120. Its totient is φ = 84065539200.

The previous prime is 210220311319. The next prime is 210220311341. The reversal of 210220311320 is 23113022012.

It is a super-3 number, since 3×210220311320³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554606 + ... + 853245.

Almost surely, 2^210220311320 is an apocalyptic number.

210220311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220311320 is an abundant number, since it is smaller than the sum of its proper divisors (262902431800).

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

210220311320 is a wasteful number, since it uses less digits than its factorization.

210220311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411595 (or 1411591 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210220311320 its reverse (23113022012), we get a palindrome (233333333332).

The spelling of 210220311320 in words is "two hundred ten billion, two hundred twenty million, three hundred eleven thousand, three hundred twenty".