20004241501 has 4 divisors (see below), whose sum is σ = 20013067872. Its totient is φ = 19995415132.

The previous prime is 20004241493. The next prime is 20004241529. The reversal of 20004241501 is 10514240002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20004241501 - 2³ = 20004241493 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 (20004241531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4409785 + ... + 4414318.

It is an arithmetic number, because the mean of its divisors is an integer number (5003266968).

Almost surely, 2^20004241501 is an apocalyptic number.

It is an amenable number.

20004241501 is a deficient number, since it is larger than the sum of its proper divisors (8826371).

20004241501 is an equidigital number, since it uses as much as digits as its factorization.

20004241501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826370.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20004241501 its reverse (10514240002), we get a palindrome (30518481503).

The spelling of 20004241501 in words is "twenty billion, four million, two hundred forty-one thousand, five hundred one".