20322200129999 has 4 divisors (see below), whose sum is σ = 20323383941664. Its totient is φ = 20321016318336.

The previous prime is 20322200129897. The next prime is 20322200130121. The reversal of 20322200129999 is 99992100222302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322200129999 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 (20322200129299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591880082 + ... + 591914415.

It is an arithmetic number, because the mean of its divisors is an integer number (5080845985416).

Almost surely, 2^{20322200129999} is an apocalyptic number.

20322200129999 is a deficient number, since it is larger than the sum of its proper divisors (1183811665).

20322200129999 is a wasteful number, since it uses less digits than its factorization.

20322200129999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183811664.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 20322200129999 in words is "twenty trillion, three hundred twenty-two billion, two hundred million, one hundred twenty-nine thousand, nine hundred ninety-nine".