20020012102001 has 8 divisors (see below), whose sum is σ = 20022464609280. Its totient is φ = 20017559776032.

The previous prime is 20020012101967. The next prime is 20020012102007. The reversal of 20020012102001 is 10020121002002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20020012102001 - 2¹⁸ = 20020011839857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020012102007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410028476 + ... + 410077298.

It is an arithmetic number, because the mean of its divisors is an integer number (2502808076160).

Almost surely, 2^{20020012102001} is an apocalyptic number.

It is an amenable number.

20020012102001 is a deficient number, since it is larger than the sum of its proper divisors (2452507279).

20020012102001 is a wasteful number, since it uses less digits than its factorization.

20020012102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90655.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020012102001 its reverse (10020121002002), we get a palindrome (30040133104003).

The spelling of 20020012102001 in words is "twenty trillion, twenty billion, twelve million, one hundred two thousand, one".