20431210101 has 8 divisors (see below), whose sum is σ = 27358531200. Its totient is φ = 13562347872.

The previous prime is 20431210091. The next prime is 20431210117. The reversal of 20431210101 is 10101213402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20431210101 - 2¹⁷ = 20431079029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20431210141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14613901 + ... + 14615298.

It is an arithmetic number, because the mean of its divisors is an integer number (3419816400).

Almost surely, 2^20431210101 is an apocalyptic number.

It is an amenable number.

20431210101 is a deficient number, since it is larger than the sum of its proper divisors (6927321099).

20431210101 is a wasteful number, since it uses less digits than its factorization.

20431210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29229435.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20431210101 its reverse (10101213402), we get a palindrome (30532423503).

The spelling of 20431210101 in words is "twenty billion, four hundred thirty-one million, two hundred ten thousand, one hundred one".