202120320130 has 16 divisors (see below), whose sum is σ = 364138843320. Its totient is φ = 80776513152.

The previous prime is 202120320079. The next prime is 202120320163. The reversal of 202120320130 is 31023021202.

202120320130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 121863129921 + 80257190209 = 349089^2 + 283297^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8940009 + ... + 8962588.

Almost surely, 2^202120320130 is an apocalyptic number.

202120320130 is a deficient number, since it is larger than the sum of its proper divisors (162018523190).

202120320130 is a wasteful number, since it uses less digits than its factorization.

202120320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17903733.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202120320130 its reverse (31023021202), we get a palindrome (233143341332).

The spelling of 202120320130 in words is "two hundred two billion, one hundred twenty million, three hundred twenty thousand, one hundred thirty".