20443121301234 has 16 divisors (see below), whose sum is σ = 40888722708288. Its totient is φ = 6813960416112.

The previous prime is 20443121301191. The next prime is 20443121301287. The reversal of 20443121301234 is 43210312134402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103230577 + ... + 103428420.

It is an arithmetic number, because the mean of its divisors is an integer number (2555545169268).

Almost surely, 2^{20443121301234} is an apocalyptic number.

20443121301234 is an abundant number, since it is smaller than the sum of its proper divisors (20445601407054).

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

20443121301234 is a wasteful number, since it uses less digits than its factorization.

20443121301234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206675489.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20443121301234 its reverse (43210312134402), we get a palindrome (63653433435636).

The spelling of 20443121301234 in words is "twenty trillion, four hundred forty-three billion, one hundred twenty-one million, three hundred one thousand, two hundred thirty-four".