20133121220202 has 16 divisors (see below), whose sum is σ = 42385518358560. Its totient is φ = 6357827753712.

The previous prime is 20133121220159. The next prime is 20133121220249. The reversal of 20133121220202 is 20202212133102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88303163133 + ... + 88303163360.

It is an arithmetic number, because the mean of its divisors is an integer number (2649094897410).

Almost surely, 2^{20133121220202} is an apocalyptic number.

20133121220202 is an abundant number, since it is smaller than the sum of its proper divisors (22252397138358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20133121220202 is a wasteful number, since it uses less digits than its factorization.

20133121220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176606326517.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20133121220202 its reverse (20202212133102), we get a palindrome (40335333353304).

The spelling of 20133121220202 in words is "twenty trillion, one hundred thirty-three billion, one hundred twenty-one million, two hundred twenty thousand, two hundred two".