20344633055354 has 16 divisors (see below), whose sum is σ = 31771070807208. Its totient is φ = 9761808379392.

The previous prime is 20344633055339. The next prime is 20344633055377. The reversal of 20344633055354 is 45355033644302.

It can be written as a sum of positive squares in 4 ways, for example, as 15583190478025 + 4761442577329 = 3947555^2 + 2182073^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20344633055299 and 20344633055308.

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, 1883059487 + ... + 1883070290.

Almost surely, 2^{20344633055354} is an apocalyptic number.

20344633055354 is a deficient number, since it is larger than the sum of its proper divisors (11426437751854).

20344633055354 is a wasteful number, since it uses less digits than its factorization.

20344633055354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766129889.

The product of its (nonzero) digits is 7776000, while the sum is 47.

Adding to 20344633055354 its reverse (45355033644302), we get a palindrome (65699666699656).

The spelling of 20344633055354 in words is "twenty trillion, three hundred forty-four billion, six hundred thirty-three million, fifty-five thousand, three hundred fifty-four".