200020443121 has 8 divisors (see below), whose sum is σ = 201801406464. Its totient is φ = 198239670720.

The previous prime is 200020443083. The next prime is 200020443137. The reversal of 200020443121 is 121344020002.

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 200020443121 - 2³⁵ = 165660704753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200020441121) 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, 2817856 + ... + 2887966.

It is an arithmetic number, because the mean of its divisors is an integer number (25225175808).

Almost surely, 2^200020443121 is an apocalyptic number.

It is an amenable number.

200020443121 is a deficient number, since it is larger than the sum of its proper divisors (1780963343).

200020443121 is a wasteful number, since it uses less digits than its factorization.

200020443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95471.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 200020443121 its reverse (121344020002), we get a palindrome (321364463123).

The spelling of 200020443121 in words is "two hundred billion, twenty million, four hundred forty-three thousand, one hundred twenty-one".