20022012100001 has 4 divisors (see below), whose sum is σ = 20023431410352. Its totient is φ = 20020592789652.

The previous prime is 20022012099997. The next prime is 20022012100007. The reversal of 20022012100001 is 10000121022002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20022012100001 - 2² = 20022012099997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022012100007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709634015 + ... + 709662228.

It is an arithmetic number, because the mean of its divisors is an integer number (5005857852588).

Almost surely, 2^{20022012100001} is an apocalyptic number.

It is an amenable number.

20022012100001 is a deficient number, since it is larger than the sum of its proper divisors (1419310351).

20022012100001 is a wasteful number, since it uses less digits than its factorization.

20022012100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419310350.

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

Adding to 20022012100001 its reverse (10000121022002), we get a palindrome (30022133122003).

The spelling of 20022012100001 in words is "twenty trillion, twenty-two billion, twelve million, one hundred thousand, one".