202120330130 has 8 divisors (see below), whose sum is σ = 363816594252. Its totient is φ = 80848132048.

The previous prime is 202120330121. The next prime is 202120330151. The reversal of 202120330130 is 31033021202.

It can be written as a sum of positive squares in 2 ways, for example, as 194559505921 + 7560824209 = 441089^2 + 86953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202120330099 and 202120330108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10106016497 + ... + 10106016516.

Almost surely, 2^202120330130 is an apocalyptic number.

202120330130 is a deficient number, since it is larger than the sum of its proper divisors (161696264122).

202120330130 is a wasteful number, since it uses less digits than its factorization.

202120330130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20212033020.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 202120330130 its reverse (31033021202), we get a palindrome (233153351332).

The spelling of 202120330130 in words is "two hundred two billion, one hundred twenty million, three hundred thirty thousand, one hundred thirty".