210320210230020 has 108 divisors (see below), whose sum is σ = 701241185861580. Its totient is φ = 50986717626240.

The previous prime is 210320210230003. The next prime is 210320210230027. The reversal of 210320210230020 is 20032012023012.

210320210230020 is a `hidden beast` number, since 2 + 1 + 0 + 320 + 21 + 0 + 2 + 300 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49912868529216 + 160407341700804 = 7064904^2 + 12665202^2 .

It is a super-2 number, since 2×210320210230020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210320210229975 and 210320210230002.

It is not an unprimeable number, because it can be changed into a prime (210320210230027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4828265875 + ... + 4828309434.

Almost surely, 2^{210320210230020} is an apocalyptic number.

210320210230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210320210230020 is an abundant number, since it is smaller than the sum of its proper divisors (490920975631560).

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

210320210230020 is a wasteful number, since it uses less digits than its factorization.

210320210230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656575346 (or 9656575330 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 210320210230020 its reverse (20032012023012), we get a palindrome (230352222253032).

The spelling of 210320210230020 in words is "two hundred ten trillion, three hundred twenty billion, two hundred ten million, two hundred thirty thousand, twenty".