20100220202201 has 16 divisors (see below), whose sum is σ = 21697693129728. Its totient is φ = 18565733841600.

The previous prime is 20100220202191. The next prime is 20100220202273. The reversal of 20100220202201 is 10220202200102.

It is not a de Polignac number, because 20100220202201 - 2¹⁰ = 20100220201177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100220204201) 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, 30247286 + ... + 30904671.

It is an arithmetic number, because the mean of its divisors is an integer number (1356105820608).

Almost surely, 2^{20100220202201} is an apocalyptic number.

It is an amenable number.

20100220202201 is a deficient number, since it is larger than the sum of its proper divisors (1597472927527).

20100220202201 is a wasteful number, since it uses less digits than its factorization.

20100220202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61152472.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20100220202201 its reverse (10220202200102), we get a palindrome (30320422402303).

The spelling of 20100220202201 in words is "twenty trillion, one hundred billion, two hundred twenty million, two hundred two thousand, two hundred one".