200020202002021 has 8 divisors (see below), whose sum is σ = 220994187378624. Its totient is φ = 180069337863360.

The previous prime is 200020202001989. The next prime is 200020202002043. The reversal of 200020202002021 is 120200202020002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200020202002021 - 2⁵ = 200020202001989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200020202001992 and 200020202002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020202002081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255780309075 + ... + 255780309856.

It is an arithmetic number, because the mean of its divisors is an integer number (27624273422328).

Almost surely, 2^{200020202002021} is an apocalyptic number.

It is an amenable number.

200020202002021 is a deficient number, since it is larger than the sum of its proper divisors (20973985376603).

200020202002021 is a wasteful number, since it uses less digits than its factorization.

200020202002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511560618971.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 200020202002021 its reverse (120200202020002), we get a palindrome (320220404022023).

The spelling of 200020202002021 in words is "two hundred trillion, twenty billion, two hundred two million, two thousand, twenty-one".