20461143361234 has 16 divisors (see below), whose sum is σ = 31021146618840. Its totient is φ = 10120928169600.

The previous prime is 20461143361229. The next prime is 20461143361279. The reversal of 20461143361234 is 43216334116402.

It can be written as a sum of positive squares in 4 ways, for example, as 19848049663225 + 613093698009 = 4455115^2 + 783003^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41507979 + ... + 41998030.

Almost surely, 2^{20461143361234} is an apocalyptic number.

20461143361234 is a deficient number, since it is larger than the sum of its proper divisors (10560003257606).

20461143361234 is a wasteful number, since it uses less digits than its factorization.

20461143361234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83507325.

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 20461143361234 its reverse (43216334116402), we get a palindrome (63677477477636).

The spelling of 20461143361234 in words is "twenty trillion, four hundred sixty-one billion, one hundred forty-three million, three hundred sixty-one thousand, two hundred thirty-four".