20443511420124 has 96 divisors (see below), whose sum is σ = 52207581410880. Its totient is φ = 6225461858304.

The previous prime is 20443511420093. The next prime is 20443511420131. The reversal of 20443511420124 is 42102411534402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1439769 + ... + 6554384.

It is an arithmetic number, because the mean of its divisors is an integer number (543828973030).

Almost surely, 2^{20443511420124} is an apocalyptic number.

It is an amenable number.

20443511420124 is an abundant number, since it is smaller than the sum of its proper divisors (31764069990756).

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

20443511420124 is a wasteful number, since it uses less digits than its factorization.

20443511420124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994296 (or 7994268 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 20443511420124 its reverse (42102411534402), we get a palindrome (62545922954526).

The spelling of 20443511420124 in words is "twenty trillion, four hundred forty-three billion, five hundred eleven million, four hundred twenty thousand, one hundred twenty-four".