20430211100004 has 18 divisors (see below), whose sum is σ = 51643033613990. Its totient is φ = 6810070366656.

The previous prime is 20430211099981. The next prime is 20430211100017. The reversal of 20430211100004 is 40000111203402.

20430211100004 is a `hidden beast` number, since 20 + 430 + 211 + 1 + 0 + 0 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20361122028900 + 69089071104 = 4512330^2 + 262848^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 20430211100004.

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 5 ways as a sum of consecutive naturals, for example, 283752931909 + ... + 283752931980.

Almost surely, 2^{20430211100004} is an apocalyptic number.

It is an amenable number.

20430211100004 is an abundant number, since it is smaller than the sum of its proper divisors (31212822513986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20430211100004 is a wasteful number, since it uses less digits than its factorization.

20430211100004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567505863899 (or 567505863894 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20430211100004 its reverse (40000111203402), we get a palindrome (60430322303406).

The spelling of 20430211100004 in words is "twenty trillion, four hundred thirty billion, two hundred eleven million, one hundred thousand, four".