20363136103755 has 64 divisors (see below), whose sum is σ = 38332034455680. Its totient is φ = 10221115686912.

The previous prime is 20363136103633. The next prime is 20363136103811. The reversal of 20363136103755 is 55730163136302.

20363136103755 is a `hidden beast` number, since 2 + 0 + 3 + 631 + 3 + 6 + 1 + 0 + 3 + 7 + 5 + 5 = 666.

It is not a de Polignac number, because 20363136103755 - 2¹⁹ = 20363135579467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 20363136103755.

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 63 ways as a sum of consecutive naturals, for example, 67637217 + ... + 67937613.

It is an arithmetic number, because the mean of its divisors is an integer number (598938038370).

Almost surely, 2^{20363136103755} is an apocalyptic number.

20363136103755 is a deficient number, since it is larger than the sum of its proper divisors (17968898351925).

20363136103755 is a wasteful number, since it uses less digits than its factorization.

20363136103755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329965 (or 329959 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 20363136103755 in words is "twenty trillion, three hundred sixty-three billion, one hundred thirty-six million, one hundred three thousand, seven hundred fifty-five".