20120202133 has 4 divisors (see below), whose sum is σ = 21179160160. Its totient is φ = 19061244108.

The previous prime is 20120202127. The next prime is 20120202163. The reversal of 20120202133 is 33120202102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20120202133 - 2⁵ = 20120202101 is a prime.

It is a super-3 number, since 3×20120202133³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120202163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529478985 + ... + 529479022.

It is an arithmetic number, because the mean of its divisors is an integer number (5294790040).

Almost surely, 2^20120202133 is an apocalyptic number.

It is an amenable number.

20120202133 is a deficient number, since it is larger than the sum of its proper divisors (1058958027).

20120202133 is a wasteful number, since it uses less digits than its factorization.

20120202133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058958026.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20120202133 its reverse (33120202102), we get a palindrome (53240404235).

The spelling of 20120202133 in words is "twenty billion, one hundred twenty million, two hundred two thousand, one hundred thirty-three".