20441689742332 has 6 divisors (see below), whose sum is σ = 35772957049088. Its totient is φ = 10220844871164.

The previous prime is 20441689742297. The next prime is 20441689742333. The reversal of 20441689742332 is 23324798614402.

It is a super-2 number, since 2×20441689742332² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441689742333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555211217788 + ... + 2555211217795.

Almost surely, 2^{20441689742332} is an apocalyptic number.

It is an amenable number.

20441689742332 is a deficient number, since it is larger than the sum of its proper divisors (15331267306756).

20441689742332 is a wasteful number, since it uses less digits than its factorization.

20441689742332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110422435587 (or 5110422435585 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 55.

The spelling of 20441689742332 in words is "twenty trillion, four hundred forty-one billion, six hundred eighty-nine million, seven hundred forty-two thousand, three hundred thirty-two".