20112434045 has 32 divisors (see below), whose sum is σ = 27483909120. Its totient is φ = 13996224000.

The previous prime is 20112434039. The next prime is 20112434051. The reversal of 20112434045 is 54043421102.

It is an interprime number because it is at equal distance from previous prime (20112434039) and next prime (20112434051).

It is not a de Polignac number, because 20112434045 - 2²⁸ = 19843998589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85475 + ... + 218015.

It is an arithmetic number, because the mean of its divisors is an integer number (858872160).

Almost surely, 2^20112434045 is an apocalyptic number.

It is an amenable number.

20112434045 is a deficient number, since it is larger than the sum of its proper divisors (7371475075).

20112434045 is a wasteful number, since it uses less digits than its factorization.

20112434045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132677.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20112434045 its reverse (54043421102), we get a palindrome (74155855147).

The spelling of 20112434045 in words is "twenty billion, one hundred twelve million, four hundred thirty-four thousand, forty-five".