2520204342105 has 32 divisors (see below), whose sum is σ = 4247538186240. Its totient is φ = 1272471353280.

The previous prime is 2520204342101. The next prime is 2520204342133. The reversal of 2520204342105 is 5012434020252.

It is not a de Polignac number, because 2520204342105 - 2² = 2520204342101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520204342101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2701551 + ... + 3512660.

It is an arithmetic number, because the mean of its divisors is an integer number (132735568320).

Almost surely, 2^{2520204342105} is an apocalyptic number.

It is an amenable number.

2520204342105 is a deficient number, since it is larger than the sum of its proper divisors (1727333844135).

2520204342105 is a wasteful number, since it uses less digits than its factorization.

2520204342105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215661.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 2520204342105 its reverse (5012434020252), we get a palindrome (7532638362357).

The spelling of 2520204342105 in words is "two trillion, five hundred twenty billion, two hundred four million, three hundred forty-two thousand, one hundred five".