20021011000201 has 4 divisors (see below), whose sum is σ = 20055118344912. Its totient is φ = 19986903655492.

The previous prime is 20021011000187. The next prime is 20021011000219. The reversal of 20021011000201 is 10200011012002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20021011000201 - 2⁷ = 20021011000073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021011000261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17053671475 + ... + 17053672648.

It is an arithmetic number, because the mean of its divisors is an integer number (5013779586228).

Almost surely, 2^{20021011000201} is an apocalyptic number.

It is an amenable number.

20021011000201 is a deficient number, since it is larger than the sum of its proper divisors (34107344711).

20021011000201 is an equidigital number, since it uses as much as digits as its factorization.

20021011000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34107344710.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20021011000201 its reverse (10200011012002), we get a palindrome (30221022012203).

The spelling of 20021011000201 in words is "twenty trillion, twenty-one billion, eleven million, two hundred one", and thus it is an aban number.