20001232101 has 32 divisors (see below), whose sum is σ = 28172759040. Its totient is φ = 12596936000.

The previous prime is 20001232099. The next prime is 20001232103. The reversal of 20001232101 is 10123210002.

It is an interprime number because it is at equal distance from previous prime (20001232099) and next prime (20001232103).

It is a cyclic number.

It is not a de Polignac number, because 20001232101 - 2¹ = 20001232099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001232103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3000310 + ... + 3006968.

It is an arithmetic number, because the mean of its divisors is an integer number (880398720).

Almost surely, 2^20001232101 is an apocalyptic number.

It is an amenable number.

20001232101 is a deficient number, since it is larger than the sum of its proper divisors (8171526939).

20001232101 is a wasteful number, since it uses less digits than its factorization.

20001232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20001232101 its reverse (10123210002), we get a palindrome (30124442103).

The spelling of 20001232101 in words is "twenty billion, one million, two hundred thirty-two thousand, one hundred one".