2520020571 has 8 divisors (see below), whose sum is σ = 3389762640. Its totient is φ = 1665146112.

The previous prime is 2520020563. The next prime is 2520020617. The reversal of 2520020571 is 1750200252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2520020571 - 2³ = 2520020563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520020561) 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 7 ways as a sum of consecutive naturals, for example, 3716506 + ... + 3717183.

It is an arithmetic number, because the mean of its divisors is an integer number (423720330).

Almost surely, 2^2520020571 is an apocalyptic number.

2520020571 is a deficient number, since it is larger than the sum of its proper divisors (869742069).

2520020571 is a wasteful number, since it uses less digits than its factorization.

2520020571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7433805.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2520020571 is about 50199.8064836908. The cubic root of 2520020571 is about 1360.8221260107.

The spelling of 2520020571 in words is "two billion, five hundred twenty million, twenty thousand, five hundred seventy-one".