20122432443 has 24 divisors (see below), whose sum is σ = 29685417840. Its totient is φ = 13130903040.

The previous prime is 20122432427. The next prime is 20122432457. The reversal of 20122432443 is 34423422102.

20122432443 is a `hidden beast` number, since 201 + 22 + 432 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 20122432443 - 2⁴ = 20122432427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122432643) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42403 + ... + 205043.

It is an arithmetic number, because the mean of its divisors is an integer number (1236892410).

Almost surely, 2^20122432443 is an apocalyptic number.

20122432443 is a deficient number, since it is larger than the sum of its proper divisors (9562985397).

20122432443 is a wasteful number, since it uses less digits than its factorization.

20122432443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162939 (or 162936 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20122432443 its reverse (34423422102), we get a palindrome (54545854545).

The spelling of 20122432443 in words is "twenty billion, one hundred twenty-two million, four hundred thirty-two thousand, four hundred forty-three".