20461331132306 has 8 divisors (see below), whose sum is σ = 30801220886844. Its totient is φ = 10194257503360.

The previous prime is 20461331132227. The next prime is 20461331132323. The reversal of 20461331132306 is 60323113316402.

It can be written as a sum of positive squares in 2 ways, for example, as 18716049702025 + 1745281430281 = 4326205^2 + 1321091^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18204030695 + ... + 18204031818.

Almost surely, 2^{20461331132306} is an apocalyptic number.

20461331132306 is a deficient number, since it is larger than the sum of its proper divisors (10339889754538).

20461331132306 is a wasteful number, since it uses less digits than its factorization.

20461331132306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36408062796.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 20461331132306 its reverse (60323113316402), we get a palindrome (80784444448708).

The spelling of 20461331132306 in words is "twenty trillion, four hundred sixty-one billion, three hundred thirty-one million, one hundred thirty-two thousand, three hundred six".