202120330129 has 8 divisors (see below), whose sum is σ = 202988763648. Its totient is φ = 201252143040.

The previous prime is 202120330121. The next prime is 202120330151. The reversal of 202120330129 is 921033021202.

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

It is a cyclic number.

It is not a de Polignac number, because 202120330129 - 2³ = 202120330121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202120330121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1688664 + ... + 1804390.

It is an arithmetic number, because the mean of its divisors is an integer number (25373595456).

Almost surely, 2^202120330129 is an apocalyptic number.

It is an amenable number.

202120330129 is a deficient number, since it is larger than the sum of its proper divisors (868433519).

202120330129 is a wasteful number, since it uses less digits than its factorization.

202120330129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123215.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 202120330129 in words is "two hundred two billion, one hundred twenty million, three hundred thirty thousand, one hundred twenty-nine".