20104051363 has 16 divisors (see below), whose sum is σ = 22388009472. Its totient is φ = 17899560000.

The previous prime is 20104051351. The next prime is 20104051391. The reversal of 20104051363 is 36315040102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20104051363 is a prime.

It is a super-2 number, since 2×20104051363² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20104051333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32695 + ... + 203167.

It is an arithmetic number, because the mean of its divisors is an integer number (1399250592).

Almost surely, 2^20104051363 is an apocalyptic number.

20104051363 is a deficient number, since it is larger than the sum of its proper divisors (2283958109).

20104051363 is a wasteful number, since it uses less digits than its factorization.

20104051363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170706.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 20104051363 its reverse (36315040102), we get a palindrome (56419091465).

The spelling of 20104051363 in words is "twenty billion, one hundred four million, fifty-one thousand, three hundred sixty-three".