20514324101 has 4 divisors (see below), whose sum is σ = 20650180704. Its totient is φ = 20378467500.

The previous prime is 20514324043. The next prime is 20514324109. The reversal of 20514324101 is 10142341502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20514324101 - 2¹⁸ = 20514061957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514324109) 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, 67928075 + ... + 67928376.

It is an arithmetic number, because the mean of its divisors is an integer number (5162545176).

Almost surely, 2^20514324101 is an apocalyptic number.

It is an amenable number.

20514324101 is a deficient number, since it is larger than the sum of its proper divisors (135856603).

20514324101 is a wasteful number, since it uses less digits than its factorization.

20514324101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135856602.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20514324101 its reverse (10142341502), we get a palindrome (30656665603).

The spelling of 20514324101 in words is "twenty billion, five hundred fourteen million, three hundred twenty-four thousand, one hundred one".