20220100020001 has 12 divisors (see below), whose sum is σ = 23523617760852. Its totient is φ = 17329836571488.

The previous prime is 20220100019963. The next prime is 20220100020031. The reversal of 20220100020001 is 10002000102202.

It can be written as a sum of positive squares in 2 ways, for example, as 14964704243776 + 5255395776225 = 3868424^2 + 2292465^2 .

It is not a de Polignac number, because 20220100020001 - 2²⁵ = 20220066465569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20220100020001.

It is not an unprimeable number, because it can be changed into a prime (20220100020031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19461510 + ... + 20474143.

It is an arithmetic number, because the mean of its divisors is an integer number (1960301480071).

Almost surely, 2^{20220100020001} is an apocalyptic number.

It is an amenable number.

20220100020001 is a deficient number, since it is larger than the sum of its proper divisors (3303517740851).

20220100020001 is a wasteful number, since it uses less digits than its factorization.

20220100020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39946000 (or 39945993 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20220100020001 its reverse (10002000102202), we get a palindrome (30222100122203).

The spelling of 20220100020001 in words is "twenty trillion, two hundred twenty billion, one hundred million, twenty thousand, one".