200020022001 has 16 divisors (see below), whose sum is σ = 311922062400. Its totient is φ = 126328434624.

The previous prime is 200020021991. The next prime is 200020022009. The reversal of 200020022001 is 100220020002.

It is not a de Polignac number, because 200020022001 - 2²¹ = 200017924849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200020022009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194950776 + ... + 194951801.

It is an arithmetic number, because the mean of its divisors is an integer number (19495128900).

Almost surely, 2^200020022001 is an apocalyptic number.

It is an amenable number.

200020022001 is a deficient number, since it is larger than the sum of its proper divisors (111902040399).

200020022001 is a wasteful number, since it uses less digits than its factorization.

200020022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389902605 (or 389902599 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 200020022001 its reverse (100220020002), we get a palindrome (300240042003).

The spelling of 200020022001 in words is "two hundred billion, twenty million, twenty-two thousand, one".