20112442434 has 48 divisors (see below), whose sum is σ = 49858915392. Its totient is φ = 5739872544.

The previous prime is 20112442421. The next prime is 20112442447. The reversal of 20112442434 is 43424421102.

20112442434 is a `hidden beast` number, since 201 + 1 + 2 + 4 + 424 + 34 = 666.

It is an interprime number because it is at equal distance from previous prime (20112442421) and next prime (20112442447).

It is a junction number, because it is equal to n+sod(n) for n = 20112442398 and 20112442407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20872 + ... + 201644.

It is an arithmetic number, because the mean of its divisors is an integer number (1038727404).

Almost surely, 2^20112442434 is an apocalyptic number.

20112442434 is an abundant number, since it is smaller than the sum of its proper divisors (29746472958).

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

20112442434 is a wasteful number, since it uses less digits than its factorization.

20112442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181671 (or 181668 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20112442434 its reverse (43424421102), we get a palindrome (63536863536).

The spelling of 20112442434 in words is "twenty billion, one hundred twelve million, four hundred forty-two thousand, four hundred thirty-four".