202020200000001 has 48 divisors (see below), whose sum is σ = 295996169064960. Its totient is φ = 132752551800960.

The previous prime is 202020199999931. The next prime is 202020200000033. The reversal of 202020200000001 is 100000002020202.

It is not a de Polignac number, because 202020200000001 - 2⁷ = 202020199999873 is a prime.

It is a super-2 number, since 2×202020200000001² (a number of 29 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 (202020200000081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1035653860 + ... + 1035848906.

It is an arithmetic number, because the mean of its divisors is an integer number (6166586855520).

Almost surely, 2^{202020200000001} is an apocalyptic number.

It is an amenable number.

202020200000001 is a deficient number, since it is larger than the sum of its proper divisors (93975969064959).

202020200000001 is a wasteful number, since it uses less digits than its factorization.

202020200000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197566 (or 197563 counting only the distinct ones).

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

Adding to 202020200000001 its reverse (100000002020202), we get a palindrome (302020202020203).

The spelling of 202020200000001 in words is "two hundred two trillion, twenty billion, two hundred million, one", and thus it is an aban number.