20024236461 has 4 divisors (see below), whose sum is σ = 26698981952. Its totient is φ = 13349490972.

The previous prime is 20024236459. The next prime is 20024236483. The reversal of 20024236461 is 16463242002.

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 not a de Polignac number, because 20024236461 - 2¹ = 20024236459 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 (20024236261) 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, 3337372741 + ... + 3337372746.

It is an arithmetic number, because the mean of its divisors is an integer number (6674745488).

Almost surely, 2^20024236461 is an apocalyptic number.

It is an amenable number.

20024236461 is a deficient number, since it is larger than the sum of its proper divisors (6674745491).

20024236461 is an equidigital number, since it uses as much as digits as its factorization.

20024236461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6674745490.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20024236461 its reverse (16463242002), we get a palindrome (36487478463).

The spelling of 20024236461 in words is "twenty billion, twenty-four million, two hundred thirty-six thousand, four hundred sixty-one".