22220020002000 has 80 divisors (see below), whose sum is σ = 71637344505792. Its totient is φ = 5925338665600.

The previous prime is 22220020001983. The next prime is 22220020002067. The reversal of 22220020002000 is 20002002222.

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 (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851662334 + ... + 1851674333.

Almost surely, 2^{22220020002000} is an apocalyptic number.

22220020002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220020002000 is an abundant number, since it is smaller than the sum of its proper divisors (49417324503792).

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

22220020002000 is a wasteful number, since it uses less digits than its factorization.

22220020002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703336693 (or 3703336677 counting only the distinct ones).

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

Adding to 22220020002000 its reverse (20002002222), we get a palindrome (22240022004222).

The spelling of 22220020002000 in words is "twenty-two trillion, two hundred twenty billion, twenty million, two thousand".