20200002112001 has 16 divisors (see below), whose sum is σ = 21449567425104. Its totient is φ = 18957254959104.

The previous prime is 20200002111983. The next prime is 20200002112019. The reversal of 20200002112001 is 10021120000202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20200002111983) and next prime (20200002112019).

It can be written as a sum of positive squares in 8 ways, for example, as 690687317776 + 19509314794225 = 831076^2 + 4416935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200002112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200002112021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334423535 + ... + 334483931.

It is an arithmetic number, because the mean of its divisors is an integer number (1340597964069).

Almost surely, 2^{20200002112001} is an apocalyptic number.

It is an amenable number.

20200002112001 is a deficient number, since it is larger than the sum of its proper divisors (1249565313103).

20200002112001 is a wasteful number, since it uses less digits than its factorization.

20200002112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116500.

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

Adding to 20200002112001 its reverse (10021120000202), we get a palindrome (30221122112203).

The spelling of 20200002112001 in words is "twenty trillion, two hundred billion, two million, one hundred twelve thousand, one".