20201100001 has 8 divisors (see below), whose sum is σ = 20453416704. Its totient is φ = 19948996080.

The previous prime is 20201099987. The next prime is 20201100071. The reversal of 20201100001 is 10000110202.

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 20201100001 - 2¹³ = 20201091809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201100071) 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, 142320 + ... + 246286.

It is an arithmetic number, because the mean of its divisors is an integer number (2556677088).

Almost surely, 2^20201100001 is an apocalyptic number.

It is an amenable number.

20201100001 is a deficient number, since it is larger than the sum of its proper divisors (252316703).

20201100001 is a wasteful number, since it uses less digits than its factorization.

20201100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106391.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20201100001 its reverse (10000110202), we get a palindrome (30201210203).

The spelling of 20201100001 in words is "twenty billion, two hundred one million, one hundred thousand, one".