20022220222002 has 32 divisors (see below), whose sum is σ = 44534161762560. Its totient is φ = 6668022550320.

The previous prime is 20022220222001. The next prime is 20022220222009. The reversal of 20022220222002 is 20022202222002.

20022220222002 is a `hidden beast` number, since 20 + 0 + 222 + 202 + 220 + 0 + 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 (20022220222001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168019249 + ... + 168138372.

It is an arithmetic number, because the mean of its divisors is an integer number (1391692555080).

Almost surely, 2^{20022220222002} is an apocalyptic number.

20022220222002 is an abundant number, since it is smaller than the sum of its proper divisors (24511941540558).

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

20022220222002 is a wasteful number, since it uses less digits than its factorization.

20022220222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336158735 (or 336158729 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20022220222002 its reverse (20022202222002), we get a palindrome (40044422444004).

The spelling of 20022220222002 in words is "twenty trillion, twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two".