20443004122002 has 64 divisors (see below), whose sum is σ = 53191057618944. Its totient is φ = 5079007232640.

The previous prime is 20443004121997. The next prime is 20443004122019. The reversal of 20443004122002 is 20022140034402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 961922563 + ... + 961943814.

It is an arithmetic number, because the mean of its divisors is an integer number (831110275296).

Almost surely, 2^{20443004122002} is an apocalyptic number.

20443004122002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20443004122002 is an abundant number, since it is smaller than the sum of its proper divisors (32748053496942).

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

20443004122002 is a wasteful number, since it uses less digits than its factorization.

20443004122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923866423.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20443004122002 its reverse (20022140034402), we get a palindrome (40465144156404).

The spelling of 20443004122002 in words is "twenty trillion, four hundred forty-three billion, four million, one hundred twenty-two thousand, two".