20432203553042 has 16 divisors (see below), whose sum is σ = 30738920213400. Its totient is φ = 10185927282432.

The previous prime is 20432203552993. The next prime is 20432203553057. The reversal of 20432203553042 is 24035530223402.

It can be written as a sum of positive squares in 4 ways, for example, as 12458633843041 + 7973569710001 = 3529679^2 + 2823751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20432203552993 and 20432203553011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6274373 + ... + 8957240.

Almost surely, 2^{20432203553042} is an apocalyptic number.

20432203553042 is a deficient number, since it is larger than the sum of its proper divisors (10306716660358).

20432203553042 is a wasteful number, since it uses less digits than its factorization.

20432203553042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15233597.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 20432203553042 its reverse (24035530223402), we get a palindrome (44467733776444).

The spelling of 20432203553042 in words is "twenty trillion, four hundred thirty-two billion, two hundred three million, five hundred fifty-three thousand, forty-two".