20212000002001 has 8 divisors (see below), whose sum is σ = 20412512847144. Its totient is φ = 20011494883200.

The previous prime is 20212000001987. The next prime is 20212000002031. The reversal of 20212000002001 is 10020000021202.

It can be written as a sum of positive squares in 4 ways, for example, as 1736660094976 + 18475339907025 = 1317824^2 + 4298295^2 .

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 20212000002001 - 2⁵ = 20212000001969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212000002031) 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, 3398941 + ... + 7209493.

It is an arithmetic number, because the mean of its divisors is an integer number (2551564105893).

Almost surely, 2^{20212000002001} is an apocalyptic number.

It is an amenable number.

20212000002001 is a deficient number, since it is larger than the sum of its proper divisors (200512845143).

20212000002001 is a wasteful number, since it uses less digits than its factorization.

20212000002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863171.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20212000002001 its reverse (10020000021202), we get a palindrome (30232000023203).

The spelling of 20212000002001 in words is "twenty trillion, two hundred twelve billion, two thousand, one".