2020102100001 has 48 divisors (see below), whose sum is σ = 3171846712320. Its totient is φ = 1235189450880.

The previous prime is 2020102099993. The next prime is 2020102100017. The reversal of 2020102100001 is 1000012010202.

It is not a de Polignac number, because 2020102100001 - 2³ = 2020102099993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2020102100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 744606 + ... + 2143511.

It is an arithmetic number, because the mean of its divisors is an integer number (66080139840).

Almost surely, 2^{2020102100001} is an apocalyptic number.

It is an amenable number.

2020102100001 is a deficient number, since it is larger than the sum of its proper divisors (1151744612319).

2020102100001 is a wasteful number, since it uses less digits than its factorization.

2020102100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888286 (or 2888283 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2020102100001 its reverse (1000012010202), we get a palindrome (3020114110203).

The spelling of 2020102100001 in words is "two trillion, twenty billion, one hundred two million, one hundred thousand, one".