202001323132109 has 32 divisors (see below), whose sum is σ = 222818172825600. Its totient is φ = 182290381701120.

The previous prime is 202001323132061. The next prime is 202001323132201. The reversal of 202001323132109 is 901231323100202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202001323132109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001323132709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1698472604 + ... + 1698591530.

It is an arithmetic number, because the mean of its divisors is an integer number (6963067900800).

Almost surely, 2^{202001323132109} is an apocalyptic number.

It is an amenable number.

202001323132109 is a deficient number, since it is larger than the sum of its proper divisors (20816849693491).

202001323132109 is a wasteful number, since it uses less digits than its factorization.

202001323132109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148653.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 202001323132109 in words is "two hundred two trillion, one billion, three hundred twenty-three million, one hundred thirty-two thousand, one hundred nine".