20443121301332 has 12 divisors (see below), whose sum is σ = 35945014232736. Its totient is φ = 10173117234840.

The previous prime is 20443121301331. The next prime is 20443121301377. The reversal of 20443121301332 is 23310312134402.

It is a junction number, because it is equal to n+sod(n) for n = 20443121301295 and 20443121301304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443121301331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12110853008 + ... + 12110854695.

It is an arithmetic number, because the mean of its divisors is an integer number (2995417852728).

Almost surely, 2^{20443121301332} is an apocalyptic number.

It is an amenable number.

20443121301332 is a deficient number, since it is larger than the sum of its proper divisors (15501892931404).

20443121301332 is a wasteful number, since it uses less digits than its factorization.

20443121301332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24221707918 (or 24221707916 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 20443121301332 its reverse (23310312134402), we get a palindrome (43753433435734).

The spelling of 20443121301332 in words is "twenty trillion, four hundred forty-three billion, one hundred twenty-one million, three hundred one thousand, three hundred thirty-two".