202020200001 has 12 divisors (see below), whose sum is σ = 291812501760. Its totient is φ = 134677573560.

The previous prime is 202020199993. The next prime is 202020200003. The reversal of 202020200001 is 100002020202.

202020200001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202020200001 - 2³ = 202020199993 is a prime.

It is a super-2 number, since 2×202020200001² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (202020200003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370660 + ... + 735818.

It is an arithmetic number, because the mean of its divisors is an integer number (24317708480).

Almost surely, 2^202020200001 is an apocalyptic number.

It is an amenable number.

202020200001 is a deficient number, since it is larger than the sum of its proper divisors (89792301759).

202020200001 is a wasteful number, since it uses less digits than its factorization.

202020200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426636 (or 426633 counting only the distinct ones).

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

Adding to 202020200001 its reverse (100002020202), we get a palindrome (302022220203).

The spelling of 202020200001 in words is "two hundred two billion, twenty million, two hundred thousand, one".