20011100232634 has 48 divisors (see below), whose sum is σ = 34967343560040. Its totient is φ = 8563909939200.

The previous prime is 20011100232619. The next prime is 20011100232637. The reversal of 20011100232634 is 43623200111002.

It can be written as a sum of positive squares in 4 ways, for example, as 12800989155409 + 7210111077225 = 3577847^2 + 2685165^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20011100232599 and 20011100232608.

It is not an unprimeable number, because it can be changed into a prime (20011100232637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199683412 + ... + 199783600.

Almost surely, 2^{20011100232634} is an apocalyptic number.

20011100232634 is a deficient number, since it is larger than the sum of its proper divisors (14956243327406).

20011100232634 is a wasteful number, since it uses less digits than its factorization.

20011100232634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103103 (or 103096 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20011100232634 its reverse (43623200111002), we get a palindrome (63634300343636).

The spelling of 20011100232634 in words is "twenty trillion, eleven billion, one hundred million, two hundred thirty-two thousand, six hundred thirty-four".