22120212202002 has 24 divisors (see below), whose sum is σ = 47927720687184. Its totient is φ = 7373312644344.

The previous prime is 22120212201991. The next prime is 22120212202009. The reversal of 22120212202002 is 20020221202122.

22120212202002 is a `hidden beast` number, since 221 + 2 + 0 + 21 + 220 + 200 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (22120212202009) 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, 6118548 + ... + 9037535.

It is an arithmetic number, because the mean of its divisors is an integer number (1996988361966).

Almost surely, 2^{22120212202002} is an apocalyptic number.

22120212202002 is an abundant number, since it is smaller than the sum of its proper divisors (25807508485182).

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

22120212202002 is a wasteful number, since it uses less digits than its factorization.

22120212202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15237174 (or 15237171 counting only the distinct ones).

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

Adding to 22120212202002 its reverse (20020221202122), we get a palindrome (42140433404124).

The spelling of 22120212202002 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred two thousand, two".