20130034245145 has 32 divisors (see below), whose sum is σ = 26461442693376. Its totient is φ = 14579309875200.

The previous prime is 20130034245127. The next prime is 20130034245173. The reversal of 20130034245145 is 54154243003102.

It is not a de Polignac number, because 20130034245145 - 2³¹ = 20127886761497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20130034245145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25843372 + ... + 26610898.

It is an arithmetic number, because the mean of its divisors is an integer number (826920084168).

Almost surely, 2^{20130034245145} is an apocalyptic number.

It is an amenable number.

20130034245145 is a deficient number, since it is larger than the sum of its proper divisors (6331408448231).

20130034245145 is a wasteful number, since it uses less digits than its factorization.

20130034245145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769521.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 20130034245145 its reverse (54154243003102), we get a palindrome (74284277248247).

The spelling of 20130034245145 in words is "twenty trillion, one hundred thirty billion, thirty-four million, two hundred forty-five thousand, one hundred forty-five".