22011200220220 has 24 divisors (see below), whose sum is σ = 46243333471104. Its totient is φ = 8800706181696.

The previous prime is 22011200220181. The next prime is 22011200220239. The reversal of 22011200220220 is 2202200211022.

It is a super-2 number, since 2×22011200220220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011200220194 and 22011200220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235821324 + ... + 235914643.

It is an arithmetic number, because the mean of its divisors is an integer number (1926805561296).

Almost surely, 2^{22011200220220} is an apocalyptic number.

22011200220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011200220220 is an abundant number, since it is smaller than the sum of its proper divisors (24232133250884).

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

22011200220220 is a wasteful number, since it uses less digits than its factorization.

22011200220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471738309 (or 471738307 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22011200220220 its reverse (2202200211022), we get a palindrome (24213400431242).

The spelling of 22011200220220 in words is "twenty-two trillion, eleven billion, two hundred million, two hundred twenty thousand, two hundred twenty".