20243232233442 has 48 divisors (see below), whose sum is σ = 44592451293312. Its totient is φ = 6635176011360.

The previous prime is 20243232233387. The next prime is 20243232233453. The reversal of 20243232233442 is 24433223234202.

20243232233442 is a `hidden beast` number, since 2 + 0 + 243 + 23 + 22 + 334 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20243232233397 and 20243232233406.

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, 1035213 + ... + 6446559.

It is an arithmetic number, because the mean of its divisors is an integer number (929009401944).

Almost surely, 2^{20243232233442} is an apocalyptic number.

20243232233442 is an abundant number, since it is smaller than the sum of its proper divisors (24349219059870).

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

20243232233442 is a wasteful number, since it uses less digits than its factorization.

20243232233442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414823 (or 5414820 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 20243232233442 its reverse (24433223234202), we get a palindrome (44676455467644).

The spelling of 20243232233442 in words is "twenty trillion, two hundred forty-three billion, two hundred thirty-two million, two hundred thirty-three thousand, four hundred forty-two".