22220020022000 has 120 divisors (see below), whose sum is σ = 56704631220432. Its totient is φ = 8420217840000.

The previous prime is 22220020021921. The next prime is 22220020022023. The reversal of 22220020022000 is 22002002222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14665826 + ... + 16109825.

Almost surely, 2^{22220020022000} is an apocalyptic number.

22220020022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220020022000 is an abundant number, since it is smaller than the sum of its proper divisors (34484611198432).

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

22220020022000 is a wasteful number, since it uses less digits than its factorization.

22220020022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30775712 (or 30775677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22220020022000 its reverse (22002002222), we get a palindrome (22242022024222).

The spelling of 22220020022000 in words is "twenty-two trillion, two hundred twenty billion, twenty million, twenty-two thousand".