202130320 has 40 divisors (see below), whose sum is σ = 537090624. Its totient is φ = 69301632.

The previous prime is 202130317. The next prime is 202130321. The reversal of 202130320 is 23031202.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 202130320.

It is not an unprimeable number, because it can be changed into a prime (202130321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179914 + ... + 181033.

Almost surely, 2^202130320 is an apocalyptic number.

202130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202130320 is an abundant number, since it is smaller than the sum of its proper divisors (334960304).

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

202130320 is a wasteful number, since it uses less digits than its factorization.

202130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360967 (or 360961 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 202130320 is about 14217.2543059481. The cubic root of 202130320 is about 586.8725832486.

Adding to 202130320 its reverse (23031202), we get a palindrome (225161522).

The spelling of 202130320 in words is "two hundred two million, one hundred thirty thousand, three hundred twenty".