20050024501 has 4 divisors (see below), whose sum is σ = 21592334092. Its totient is φ = 18507714912.

The previous prime is 20050024487. The next prime is 20050024513. The reversal of 20050024501 is 10542005002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10542005002 = 2 ⋅5271002501.

It can be written as a sum of positive squares in 2 ways, for example, as 9278698276 + 10771326225 = 96326^2 + 103785^2 .

It is a cyclic number.

It is not a de Polignac number, because 20050024501 - 2¹³ = 20050016309 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 (20050024571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771154776 + ... + 771154801.

It is an arithmetic number, because the mean of its divisors is an integer number (5398083523).

Almost surely, 2^20050024501 is an apocalyptic number.

It is an amenable number.

20050024501 is a deficient number, since it is larger than the sum of its proper divisors (1542309591).

20050024501 is a wasteful number, since it uses less digits than its factorization.

20050024501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542309590.

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 20050024501 its reverse (10542005002), we get a palindrome (30592029503).

The spelling of 20050024501 in words is "twenty billion, fifty million, twenty-four thousand, five hundred one".