20212200210222 has 32 divisors (see below), whose sum is σ = 44918123788800. Its totient is φ = 6737081571864.

The previous prime is 20212200210203. The next prime is 20212200210259. The reversal of 20212200210222 is 22201200221202.

20212200210222 is a `hidden beast` number, since 2 + 0 + 212 + 20 + 0 + 210 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20212200210195 and 20212200210204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7692918 + ... + 9980249.

It is an arithmetic number, because the mean of its divisors is an integer number (1403691368400).

Almost surely, 2^{20212200210222} is an apocalyptic number.

20212200210222 is an abundant number, since it is smaller than the sum of its proper divisors (24705923578578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212200210222 is a wasteful number, since it uses less digits than its factorization.

20212200210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17694357 (or 17694351 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20212200210222 its reverse (22201200221202), we get a palindrome (42413400431424).

The spelling of 20212200210222 in words is "twenty trillion, two hundred twelve billion, two hundred million, two hundred ten thousand, two hundred twenty-two".