20104035551042 has 16 divisors (see below), whose sum is σ = 30236150470680. Its totient is φ = 10025351549952.

The previous prime is 20104035550931. The next prime is 20104035551069. The reversal of 20104035551042 is 24015553040102.

It can be written as a sum of positive squares in 4 ways, for example, as 18329281375441 + 1774754175601 = 4281271^2 + 1332199^2 .

It is a super-2 number, since 2×20104035551042² (a number of 27 digits) contains 22 as substring.

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, 6979667 + ... + 9429942.

Almost surely, 2^{20104035551042} is an apocalyptic number.

20104035551042 is a deficient number, since it is larger than the sum of its proper divisors (10132114919638).

20104035551042 is a wasteful number, since it uses less digits than its factorization.

20104035551042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16411237.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 20104035551042 its reverse (24015553040102), we get a palindrome (44119588591144).

The spelling of 20104035551042 in words is "twenty trillion, one hundred four billion, thirty-five million, five hundred fifty-one thousand, forty-two".