20000020002222 has 64 divisors (see below), whose sum is σ = 43510745263104. Its totient is φ = 6091904246400.

The previous prime is 20000020002211. The next prime is 20000020002233. The reversal of 20000020002222 is 22220002000002.

It is an interprime number because it is at equal distance from previous prime (20000020002211) and next prime (20000020002233).

It is a junction number, because it is equal to n+sod(n) for n = 20000020002198 and 20000020002207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47586603 + ... + 48005049.

It is an arithmetic number, because the mean of its divisors is an integer number (679855394736).

Almost surely, 2^{20000020002222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000020002222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21755372631552).

20000020002222 is an abundant number, since it is smaller than the sum of its proper divisors (23510725260882).

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

20000020002222 is a wasteful number, since it uses less digits than its factorization.

20000020002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424633.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20000020002222 its reverse (22220002000002), we get a palindrome (42220022002224).

The spelling of 20000020002222 in words is "twenty trillion, twenty million, two thousand, two hundred twenty-two".