20130233333044 has 12 divisors (see below), whose sum is σ = 37300138234884. Its totient is φ = 9473050980224.

The previous prime is 20130233332973. The next prime is 20130233333057. The reversal of 20130233333044 is 44033333203102.

It can be written as a sum of positive squares in 2 ways, for example, as 9834734337444 + 10295498995600 = 3136038^2 + 3208660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20130233332997 and 20130233333015.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 148016421499 + ... + 148016421634.

It is an arithmetic number, because the mean of its divisors is an integer number (3108344852907).

Almost surely, 2^{20130233333044} is an apocalyptic number.

It is an amenable number.

20130233333044 is a deficient number, since it is larger than the sum of its proper divisors (17169904901840).

20130233333044 is a wasteful number, since it uses less digits than its factorization.

20130233333044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296032843154 (or 296032843152 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 20130233333044 its reverse (44033333203102), we get a palindrome (64163566536146).

The spelling of 20130233333044 in words is "twenty trillion, one hundred thirty billion, two hundred thirty-three million, three hundred thirty-three thousand, forty-four".