20200222021222 has 4 divisors (see below), whose sum is σ = 30300333031836. Its totient is φ = 10100111010610.

The previous prime is 20200222021171. The next prime is 20200222021237. The reversal of 20200222021222 is 22212022200202.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20200222021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050055505304 + ... + 5050055505307.

It is an arithmetic number, because the mean of its divisors is an integer number (7575083257959).

Almost surely, 2^{20200222021222} is an apocalyptic number.

20200222021222 is a deficient number, since it is larger than the sum of its proper divisors (10100111010614).

20200222021222 is a wasteful number, since it uses less digits than its factorization.

20200222021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100111010613.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20200222021222 its reverse (22212022200202), we get a palindrome (42412244221424).

The spelling of 20200222021222 in words is "twenty trillion, two hundred billion, two hundred twenty-two million, twenty-one thousand, two hundred twenty-two".