20145430101 has 16 divisors (see below), whose sum is σ = 26937840384. Its totient is φ = 13391711424.

The previous prime is 20145430099. The next prime is 20145430103. The reversal of 20145430101 is 10103454102.

It is an interprime number because it is at equal distance from previous prime (20145430099) and next prime (20145430103).

It is not a de Polignac number, because 20145430101 - 2¹ = 20145430099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20145430103) 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 15 ways as a sum of consecutive naturals, for example, 1530916 + ... + 1544018.

It is an arithmetic number, because the mean of its divisors is an integer number (1683615024).

Almost surely, 2^20145430101 is an apocalyptic number.

It is an amenable number.

20145430101 is a deficient number, since it is larger than the sum of its proper divisors (6792410283).

20145430101 is a wasteful number, since it uses less digits than its factorization.

20145430101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14540.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20145430101 its reverse (10103454102), we get a palindrome (30248884203).

The spelling of 20145430101 in words is "twenty billion, one hundred forty-five million, four hundred thirty thousand, one hundred one".