20022100222202 has 16 divisors (see below), whose sum is σ = 34245945177192. Its totient is φ = 8697382901760.

The previous prime is 20022100222087. The next prime is 20022100222207. The reversal of 20022100222202 is 20222200122002.

It can be written as a sum of positive squares in 4 ways, for example, as 10169714622001 + 9852385600201 = 3188999^2 + 3138851^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (20022100222207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22649434199 + ... + 22649435082.

Almost surely, 2^{20022100222202} is an apocalyptic number.

20022100222202 is a deficient number, since it is larger than the sum of its proper divisors (14223844954990).

20022100222202 is a wasteful number, since it uses less digits than its factorization.

20022100222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45298869313.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20022100222202 its reverse (20222200122002), we get a palindrome (40244300344204).

The spelling of 20022100222202 in words is "twenty trillion, twenty-two billion, one hundred million, two hundred twenty-two thousand, two hundred two".