210320231320 has 32 divisors (see below), whose sum is σ = 473249919600. Its totient is φ = 84122866048.

The previous prime is 210320231293. The next prime is 210320231357. The reversal of 210320231320 is 23132023012.

It is a congruent number.

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, 524322 + ... + 833998.

Almost surely, 2^210320231320 is an apocalyptic number.

210320231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210320231320 is an abundant number, since it is smaller than the sum of its proper divisors (262929688280).

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

210320231320 is a wasteful number, since it uses less digits than its factorization.

210320231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326667 (or 326663 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 210320231320 its reverse (23132023012), we get a palindrome (233452254332).

The spelling of 210320231320 in words is "two hundred ten billion, three hundred twenty million, two hundred thirty-one thousand, three hundred twenty".