20636216301000 has 128 divisors (see below), whose sum is σ = 65882320732800. Its totient is φ = 5375014444800.

The previous prime is 20636216300969. The next prime is 20636216301049. The reversal of 20636216301000 is 10361263602.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 79856335 + ... + 80114334.

It is an arithmetic number, because the mean of its divisors is an integer number (514705630725).

Almost surely, 2^{20636216301000} is an apocalyptic number.

20636216301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20636216301000 is an abundant number, since it is smaller than the sum of its proper divisors (45246104431800).

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

20636216301000 is a wasteful number, since it uses less digits than its factorization.

20636216301000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159970736 (or 159970722 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 20636216301000 its reverse (10361263602), we get a palindrome (20646577564602).

The spelling of 20636216301000 in words is "twenty trillion, six hundred thirty-six billion, two hundred sixteen million, three hundred one thousand".