20200002022001 has 4 divisors (see below), whose sum is σ = 20204209484004. Its totient is φ = 20195794560000.

The previous prime is 20200002021959. The next prime is 20200002022009. The reversal of 20200002022001 is 10022020000202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10565490211600 + 9634511810401 = 3250460^2 + 3103951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200002022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200002022009) 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, 2103723800 + ... + 2103733401.

It is an arithmetic number, because the mean of its divisors is an integer number (5051052371001).

Almost surely, 2^{20200002022001} is an apocalyptic number.

It is an amenable number.

20200002022001 is a deficient number, since it is larger than the sum of its proper divisors (4207462003).

20200002022001 is an equidigital number, since it uses as much as digits as its factorization.

20200002022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207462002.

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

Adding to 20200002022001 its reverse (10022020000202), we get a palindrome (30222022022203).

The spelling of 20200002022001 in words is "twenty trillion, two hundred billion, two million, twenty-two thousand, one".