20201022001 has 8 divisors (see below), whose sum is σ = 20895153408. Its totient is φ = 19509546000.

The previous prime is 20201021999. The next prime is 20201022007. The reversal of 20201022001 is 10022010202.

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 20201022001 - 2¹ = 20201021999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648370 + ... + 678811.

It is an arithmetic number, because the mean of its divisors is an integer number (2611894176).

Almost surely, 2^20201022001 is an apocalyptic number.

It is an amenable number.

20201022001 is a deficient number, since it is larger than the sum of its proper divisors (694131407).

20201022001 is a wasteful number, since it uses less digits than its factorization.

20201022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327703.

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

Adding to 20201022001 its reverse (10022010202), we get a palindrome (30223032203).

The spelling of 20201022001 in words is "twenty billion, two hundred one million, twenty-two thousand, one".