20445035433102 has 48 divisors (see below), whose sum is σ = 51147717540192. Its totient is φ = 5781217674240.

The previous prime is 20445035433083. The next prime is 20445035433131. The reversal of 20445035433102 is 20133453054402.

20445035433102 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 5 + 0 + 3 + 543 + 3 + 102 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 836390799 + ... + 836415242.

It is an arithmetic number, because the mean of its divisors is an integer number (1065577448754).

Almost surely, 2^{20445035433102} is an apocalyptic number.

20445035433102 is an abundant number, since it is smaller than the sum of its proper divisors (30702682107090).

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

20445035433102 is a wasteful number, since it uses less digits than its factorization.

20445035433102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672806153 (or 1672806150 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 20445035433102 its reverse (20133453054402), we get a palindrome (40578488487504).

The spelling of 20445035433102 in words is "twenty trillion, four hundred forty-five billion, thirty-five million, four hundred thirty-three thousand, one hundred two".