210130320 has 40 divisors (see below), whose sum is σ = 651404736. Its totient is φ = 56034688.

The previous prime is 210130303. The next prime is 210130337. The reversal of 210130320 is 23031012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210130303) and next prime (210130337).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210130296 and 210130305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437532 + ... + 438011.

Almost surely, 2^210130320 is an apocalyptic number.

210130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210130320 is an abundant number, since it is smaller than the sum of its proper divisors (441274416).

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

210130320 is a wasteful number, since it uses less digits than its factorization.

210130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875559 (or 875553 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 210130320 is about 14495.8725159957. The cubic root of 210130320 is about 594.5151241224.

Adding to 210130320 its reverse (23031012), we get a palindrome (233161332).

The spelling of 210130320 in words is "two hundred ten million, one hundred thirty thousand, three hundred twenty".