200020010001 has 32 divisors (see below), whose sum is σ = 311223199488. Its totient is φ = 111908459520.

The previous prime is 200020009991. The next prime is 200020010033. The reversal of 200020010001 is 100010020002.

It is a happy number.

It is not a de Polignac number, because 200020010001 - 2³¹ = 197872526353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200020010081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266170 + ... + 686211.

It is an arithmetic number, because the mean of its divisors is an integer number (9725724984).

Almost surely, 2^200020010001 is an apocalyptic number.

200020010001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200020010001 is a deficient number, since it is larger than the sum of its proper divisors (111203189487).

200020010001 is a wasteful number, since it uses less digits than its factorization.

200020010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952601.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 200020010001 its reverse (100010020002), we get a palindrome (300030030003).

The spelling of 200020010001 in words is "two hundred billion, twenty million, ten thousand, one".