20200222201222 has 24 divisors (see below), whose sum is σ = 37102448944440. Its totient is φ = 8201593975680.

The previous prime is 20200222201213. The next prime is 20200222201223. The reversal of 20200222201222 is 22210222200202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20200222201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200222201223) 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, 5424332779 + ... + 5424336502.

It is an arithmetic number, because the mean of its divisors is an integer number (1545935372685).

Almost surely, 2^{20200222201222} is an apocalyptic number.

20200222201222 is a deficient number, since it is larger than the sum of its proper divisors (16902226743218).

20200222201222 is a wasteful number, since it uses less digits than its factorization.

20200222201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10848669316 (or 10848669309 counting only the distinct ones).

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

Adding to 20200222201222 its reverse (22210222200202), we get a palindrome (42410444401424).

The spelling of 20200222201222 in words is "twenty trillion, two hundred billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-two".