20525024532513 has 16 divisors (see below), whose sum is σ = 28299217167936. Its totient is φ = 13224797551680.

The previous prime is 20525024532511. The next prime is 20525024532521. The reversal of 20525024532513 is 31523542052502.

It is not a de Polignac number, because 20525024532513 - 2¹ = 20525024532511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20525024532511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963334158 + ... + 963355463.

It is an arithmetic number, because the mean of its divisors is an integer number (1768701072996).

Almost surely, 2^{20525024532513} is an apocalyptic number.

It is an amenable number.

20525024532513 is a deficient number, since it is larger than the sum of its proper divisors (7774192635423).

20525024532513 is a wasteful number, since it uses less digits than its factorization.

20525024532513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926689744.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 20525024532513 in words is "twenty trillion, five hundred twenty-five billion, twenty-four million, five hundred thirty-two thousand, five hundred thirteen".