20201022010001 has 16 divisors (see below), whose sum is σ = 24511541700096. Its totient is φ = 16252217796096.

The previous prime is 20201022009953. The next prime is 20201022010033. The reversal of 20201022010001 is 10001022010202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20201022010001 - 2³⁴ = 20183842140817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201022010061) 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, 231232196 + ... + 231319541.

It is an arithmetic number, because the mean of its divisors is an integer number (1531971356256).

Almost surely, 2^{20201022010001} is an apocalyptic number.

It is an amenable number.

20201022010001 is a deficient number, since it is larger than the sum of its proper divisors (4310519690095).

20201022010001 is a wasteful number, since it uses less digits than its factorization.

20201022010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462552128.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201022010001 its reverse (10001022010202), we get a palindrome (30202044020203).

The spelling of 20201022010001 in words is "twenty trillion, two hundred one billion, twenty-two million, ten thousand, one".