20202120022222 has 16 divisors (see below), whose sum is σ = 30313174067280. Its totient is φ = 10097728891072.

The previous prime is 20202120022211. The next prime is 20202120022277. The reversal of 20202120022222 is 22222002120202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202120022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356691618 + ... + 356748250.

It is an arithmetic number, because the mean of its divisors is an integer number (1894573379205).

Almost surely, 2^{20202120022222} is an apocalyptic number.

20202120022222 is a deficient number, since it is larger than the sum of its proper divisors (10111054045058).

20202120022222 is a wasteful number, since it uses less digits than its factorization.

20202120022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112307.

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

Adding to 20202120022222 its reverse (22222002120202), we get a palindrome (42424122142424).

The spelling of 20202120022222 in words is "twenty trillion, two hundred two billion, one hundred twenty million, twenty-two thousand, two hundred twenty-two".