20200201021105 has 16 divisors (see below), whose sum is σ = 29161192452480. Its totient is φ = 13122536602752.

The previous prime is 20200201021097. The next prime is 20200201021109. The reversal of 20200201021105 is 50112010200202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20200201021105 - 2³ = 20200201021097 is a prime.

It is a super-3 number, since 3×20200201021105³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20200201021109) 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, 15188120404 + ... + 15188121733.

It is an arithmetic number, because the mean of its divisors is an integer number (1822574528280).

Almost surely, 2^{20200201021105} is an apocalyptic number.

It is an amenable number.

20200201021105 is a deficient number, since it is larger than the sum of its proper divisors (8960991431375).

20200201021105 is a wasteful number, since it uses less digits than its factorization.

20200201021105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30376242168.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 20200201021105 its reverse (50112010200202), we get a palindrome (70312211221307).

The spelling of 20200201021105 in words is "twenty trillion, two hundred billion, two hundred one million, twenty-one thousand, one hundred five".