210002100320 has 48 divisors (see below), whose sum is σ = 496533457728. Its totient is φ = 83932523520.

The previous prime is 210002100313. The next prime is 210002100353. The reversal of 210002100320 is 23001200012.

It is a happy number.

It is a super-2 number, since 2×210002100320² (a number of 23 digits) contains 22 as substring.

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, 336149 + ... + 730068.

It is an arithmetic number, because the mean of its divisors is an integer number (10344447036).

Almost surely, 2^210002100320 is an apocalyptic number.

210002100320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002100320 is an abundant number, since it is smaller than the sum of its proper divisors (286531357408).

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

210002100320 is a wasteful number, since it uses less digits than its factorization.

210002100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067463 (or 1067455 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 210002100320 its reverse (23001200012), we get a palindrome (233003300332).

The spelling of 210002100320 in words is "two hundred ten billion, two million, one hundred thousand, three hundred twenty".