20435036112 has 120 divisors (see below), whose sum is σ = 58452948008. Its totient is φ = 6662476800.

The previous prime is 20435036087. The next prime is 20435036117. The reversal of 20435036112 is 21163053402.

20435036112 is a `hidden beast` number, since 2 + 0 + 43 + 5 + 0 + 3 + 611 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2861822016 + 17573214096 = 53496^2 + 132564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435036117) 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, 1583478 + ... + 1596330.

Almost surely, 2^20435036112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20435036112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29226474004).

20435036112 is an abundant number, since it is smaller than the sum of its proper divisors (38017911896).

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

20435036112 is a wasteful number, since it uses less digits than its factorization.

20435036112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109 (or 13100 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 20435036112 its reverse (21163053402), we get a palindrome (41598089514).

The spelling of 20435036112 in words is "twenty billion, four hundred thirty-five million, thirty-six thousand, one hundred twelve".