20022100201 has 4 divisors (see below), whose sum is σ = 20028425472. Its totient is φ = 20015774932.

The previous prime is 20022100177. The next prime is 20022100271. The reversal of 20022100201 is 10200122002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20022100201 - 2¹¹ = 20022098153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022100271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157885 + ... + 3164218.

It is an arithmetic number, because the mean of its divisors is an integer number (5007106368).

Almost surely, 2^20022100201 is an apocalyptic number.

It is an amenable number.

20022100201 is a deficient number, since it is larger than the sum of its proper divisors (6325271).

20022100201 is an equidigital number, since it uses as much as digits as its factorization.

20022100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325270.

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

Adding to 20022100201 its reverse (10200122002), we get a palindrome (30222222203).

The spelling of 20022100201 in words is "twenty billion, twenty-two million, one hundred thousand, two hundred one".