20011332000021 has 8 divisors (see below), whose sum is σ = 26683576327584. Its totient is φ = 13339987836240.

The previous prime is 20011332000017. The next prime is 20011332000029. The reversal of 20011332000021 is 12000023311002.

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

It is not a de Polignac number, because 20011332000021 - 2² = 20011332000017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011332000029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 224989071 + ... + 225077996.

It is an arithmetic number, because the mean of its divisors is an integer number (3335447040948).

Almost surely, 2^{20011332000021} is an apocalyptic number.

It is an amenable number.

20011332000021 is a deficient number, since it is larger than the sum of its proper divisors (6672244327563).

20011332000021 is a wasteful number, since it uses less digits than its factorization.

20011332000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450081891.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20011332000021 its reverse (12000023311002), we get a palindrome (32011355311023).

The spelling of 20011332000021 in words is "twenty trillion, eleven billion, three hundred thirty-two million, twenty-one", and thus it is an aban number.