20321112541446 has 24 divisors (see below), whose sum is σ = 44037984725280. Its totient is φ = 6772333787856.

The previous prime is 20321112541417. The next prime is 20321112541447. The reversal of 20321112541446 is 64414521112302.

20321112541446 is a `hidden beast` number, since 2 + 0 + 3 + 211 + 1 + 25 + 414 + 4 + 6 = 666.

It is a super-2 number, since 2×20321112541446² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20321112541446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321112541447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114107941 + ... + 114285888.

It is an arithmetic number, because the mean of its divisors is an integer number (1834916030220).

Almost surely, 2^{20321112541446} is an apocalyptic number.

20321112541446 is an abundant number, since it is smaller than the sum of its proper divisors (23716872183834).

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

20321112541446 is a wasteful number, since it uses less digits than its factorization.

20321112541446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228398780 (or 228398777 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 20321112541446 its reverse (64414521112302), we get a palindrome (84735633653748).

The spelling of 20321112541446 in words is "twenty trillion, three hundred twenty-one billion, one hundred twelve million, five hundred forty-one thousand, four hundred forty-six".