20003021202133 has 4 divisors (see below), whose sum is σ = 20256224002240. Its totient is φ = 19749818402028.

The previous prime is 20003021202097. The next prime is 20003021202149. The reversal of 20003021202133 is 33120212030002.

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 20003021202133 - 2³³ = 19994431267541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20003021202133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003021202163) 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, 126601399935 + ... + 126601400092.

It is an arithmetic number, because the mean of its divisors is an integer number (5064056000560).

Almost surely, 2^{20003021202133} is an apocalyptic number.

It is an amenable number.

20003021202133 is a deficient number, since it is larger than the sum of its proper divisors (253202800107).

20003021202133 is an equidigital number, since it uses as much as digits as its factorization.

20003021202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253202800106.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20003021202133 its reverse (33120212030002), we get a palindrome (53123233232135).

The spelling of 20003021202133 in words is "twenty trillion, three billion, twenty-one million, two hundred two thousand, one hundred thirty-three".