202020200020001 has 8 divisors (see below), whose sum is σ = 222657689995104. Its totient is φ = 181761379585920.

The previous prime is 202020200019959. The next prime is 202020200020087. The reversal of 202020200020001 is 100020002020202.

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 202020200020001 - 2⁴⁶ = 131651455842337 is a prime.

It is a super-2 number, since 2×202020200020001² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202020200020201) 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, 94667384135 + ... + 94667386268.

It is an arithmetic number, because the mean of its divisors is an integer number (27832211249388).

Almost surely, 2^{202020200020001} is an apocalyptic number.

It is an amenable number.

202020200020001 is a deficient number, since it is larger than the sum of its proper divisors (20637489975103).

202020200020001 is a wasteful number, since it uses less digits than its factorization.

202020200020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189334770511.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 202020200020001 its reverse (100020002020202), we get a palindrome (302040202040203).

The spelling of 202020200020001 in words is "two hundred two trillion, twenty billion, two hundred million, twenty thousand, one".