2000202023221 has 4 divisors (see below), whose sum is σ = 2002953333472. Its totient is φ = 1997450712972.

The previous prime is 2000202023219. The next prime is 2000202023251. The reversal of 2000202023221 is 1223202020002.

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 2000202023221 - 2¹ = 2000202023219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000202023195 and 2000202023204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000202023251) 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, 1375654035 + ... + 1375655488.

It is an arithmetic number, because the mean of its divisors is an integer number (500738333368).

Almost surely, 2^{2000202023221} is an apocalyptic number.

It is an amenable number.

2000202023221 is a deficient number, since it is larger than the sum of its proper divisors (2751310251).

2000202023221 is an equidigital number, since it uses as much as digits as its factorization.

2000202023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751310250.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 2000202023221 its reverse (1223202020002), we get a palindrome (3223404043223).

The spelling of 2000202023221 in words is "two trillion, two hundred two million, twenty-three thousand, two hundred twenty-one".