2520204342103 has 4 divisors (see below), whose sum is σ = 2880233533840. Its totient is φ = 2160175150368.

The previous prime is 2520204342101. The next prime is 2520204342133. The reversal of 2520204342103 is 3012434020252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2520204342103 - 2¹ = 2520204342101 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 (2520204342101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180014595858 + ... + 180014595871.

It is an arithmetic number, because the mean of its divisors is an integer number (720058383460).

Almost surely, 2^{2520204342103} is an apocalyptic number.

2520204342103 is a deficient number, since it is larger than the sum of its proper divisors (360029191737).

2520204342103 is an equidigital number, since it uses as much as digits as its factorization.

2520204342103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360029191736.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 2520204342103 its reverse (3012434020252), we get a palindrome (5532638362355).

The spelling of 2520204342103 in words is "two trillion, five hundred twenty billion, two hundred four million, three hundred forty-two thousand, one hundred three".