20252480573 has 4 divisors (see below), whose sum is σ = 21810363708. Its totient is φ = 18694597440.

The previous prime is 20252480557. The next prime is 20252480587. The reversal of 20252480573 is 37508425202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37508425202 = 2 ⋅18754212601.

It can be written as a sum of positive squares in 2 ways, for example, as 1609855129 + 18642625444 = 40123^2 + 136538^2 .

It is a cyclic number.

It is not a de Polignac number, because 20252480573 - 2⁴ = 20252480557 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 (20252489573) 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 3 ways as a sum of consecutive naturals, for example, 778941548 + ... + 778941573.

It is an arithmetic number, because the mean of its divisors is an integer number (5452590927).

Almost surely, 2^20252480573 is an apocalyptic number.

It is an amenable number.

20252480573 is a deficient number, since it is larger than the sum of its proper divisors (1557883135).

20252480573 is a wasteful number, since it uses less digits than its factorization.

20252480573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557883134.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 20252480573 in words is "twenty billion, two hundred fifty-two million, four hundred eighty thousand, five hundred seventy-three".