20002222222000 has 80 divisors (see below), whose sum is σ = 50910919394400. Its totient is φ = 7579789459200.

The previous prime is 20002222221973. The next prime is 20002222222007. The reversal of 20002222222000 is 22222220002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20002222222007) 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, 263149135 + ... + 263225134.

It is an arithmetic number, because the mean of its divisors is an integer number (636386492430).

Almost surely, 2^{20002222222000} is an apocalyptic number.

20002222222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002222222000 is an abundant number, since it is smaller than the sum of its proper divisors (30908697172400).

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

20002222222000 is a wasteful number, since it uses less digits than its factorization.

20002222222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526374311 (or 526374295 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20002222222000 its reverse (22222220002), we get a palindrome (20024444442002).

The spelling of 20002222222000 in words is "twenty trillion, two billion, two hundred twenty-two million, two hundred twenty-two thousand".