20461331132234 has 4 divisors (see below), whose sum is σ = 30691996698354. Its totient is φ = 10230665566116.

The previous prime is 20461331132227. The next prime is 20461331132323. The reversal of 20461331132234 is 43223113316402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16586909726209 + 3874421406025 = 4072703^2 + 1968355^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20461331132194 and 20461331132203.

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 as a sum of consecutive naturals, namely, 5115332783057 + ... + 5115332783060.

Almost surely, 2^{20461331132234} is an apocalyptic number.

20461331132234 is a deficient number, since it is larger than the sum of its proper divisors (10230665566120).

20461331132234 is a wasteful number, since it uses less digits than its factorization.

20461331132234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10230665566119.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 20461331132234 its reverse (43223113316402), we get a palindrome (63684444448636).

The spelling of 20461331132234 in words is "twenty trillion, four hundred sixty-one billion, three hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty-four".