20443032002 has 8 divisors (see below), whose sum is σ = 31721946300. Its totient is φ = 9869049904.

The previous prime is 20443031989. The next prime is 20443032011. The reversal of 20443032002 is 20023034402.

It can be written as a sum of positive squares in 2 ways, for example, as 19901027041 + 542004961 = 141071^2 + 23281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20443032002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176232977 + ... + 176233092.

Almost surely, 2^20443032002 is an apocalyptic number.

20443032002 is a deficient number, since it is larger than the sum of its proper divisors (11278914298).

20443032002 is a wasteful number, since it uses less digits than its factorization.

20443032002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352466100.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20443032002 its reverse (20023034402), we get a palindrome (40466066404).

The spelling of 20443032002 in words is "twenty billion, four hundred forty-three million, thirty-two thousand, two".