20163203463 has 16 divisors (see below), whose sum is σ = 29568301056. Its totient is φ = 12144121440.

The previous prime is 20163203443. The next prime is 20163203507. The reversal of 20163203463 is 36430236102.

It is not a de Polignac number, because 20163203463 - 2¹⁶ = 20163137927 is a prime.

20163203463 is a modest number, since divided by 203463 gives 20163 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 20163203463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20163203443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5498223 + ... + 5501888.

It is an arithmetic number, because the mean of its divisors is an integer number (1848018816).

Almost surely, 2^20163203463 is an apocalyptic number.

20163203463 is a deficient number, since it is larger than the sum of its proper divisors (9405097593).

20163203463 is a wasteful number, since it uses less digits than its factorization.

20163203463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000174.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 20163203463 its reverse (36430236102), we get a palindrome (56593439565).

The spelling of 20163203463 in words is "twenty billion, one hundred sixty-three million, two hundred three thousand, four hundred sixty-three".