22202020201 has 12 divisors (see below), whose sum is σ = 23449216500. Its totient is φ = 21018083328.

The previous prime is 22202020171. The next prime is 22202020229. The reversal of 22202020201 is 10202020222.

It can be written as a sum of positive squares in 2 ways, for example, as 4182984976 + 18019035225 = 64676^2 + 134235^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22202020201 is a prime.

It is a super-2 number, since 2×22202020201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22202020261) 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, 486825 + ... + 530473.

It is an arithmetic number, because the mean of its divisors is an integer number (1954101375).

Almost surely, 2^22202020201 is an apocalyptic number.

It is an amenable number.

22202020201 is a deficient number, since it is larger than the sum of its proper divisors (1247196299).

22202020201 is a wasteful number, since it uses less digits than its factorization.

22202020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45096 (or 45077 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22202020201 its reverse (10202020222), we get a palindrome (32404040423).

The spelling of 22202020201 in words is "twenty-two billion, two hundred two million, twenty thousand, two hundred one".