20032604355442 has 32 divisors (see below), whose sum is σ = 35502520217472. Its totient is φ = 8299290392064.

The previous prime is 20032604355437. The next prime is 20032604355443. The reversal of 20032604355442 is 24455340623002.

It is a junction number, because it is equal to n+sod(n) for n = 20032604355395 and 20032604355404.

It is not an unprimeable number, because it can be changed into a prime (20032604355443) 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 15 ways as a sum of consecutive naturals, for example, 171471253 + ... + 171588040.

It is an arithmetic number, because the mean of its divisors is an integer number (1109453756796).

Almost surely, 2^{20032604355442} is an apocalyptic number.

20032604355442 is a deficient number, since it is larger than the sum of its proper divisors (15469915862030).

20032604355442 is a wasteful number, since it uses less digits than its factorization.

20032604355442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343059442.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 20032604355442 its reverse (24455340623002), we get a palindrome (44487944978444).

The spelling of 20032604355442 in words is "twenty trillion, thirty-two billion, six hundred four million, three hundred fifty-five thousand, four hundred forty-two".