20112234413 has 8 divisors (see below), whose sum is σ = 20494085400. Its totient is φ = 19730471488.

The previous prime is 20112234403. The next prime is 20112234437. The reversal of 20112234413 is 31443221102.

It can be written as a sum of positive squares in 4 ways, for example, as 193710724 + 19918523689 = 13918^2 + 141133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112234413 - 2¹² = 20112230317 is a prime.

It is a super-2 number, since 2×20112234413² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112234403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608723 + ... + 640911.

It is an arithmetic number, because the mean of its divisors is an integer number (2561760675).

Almost surely, 2^20112234413 is an apocalyptic number.

It is an amenable number.

20112234413 is a deficient number, since it is larger than the sum of its proper divisors (381850987).

20112234413 is a wasteful number, since it uses less digits than its factorization.

20112234413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44031.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20112234413 its reverse (31443221102), we get a palindrome (51555455515).

The spelling of 20112234413 in words is "twenty billion, one hundred twelve million, two hundred thirty-four thousand, four hundred thirteen".