22002002011220 has 96 divisors (see below), whose sum is σ = 57606336103680. Its totient is φ = 6857636567040.

The previous prime is 22002002011177. The next prime is 22002002011229. The reversal of 22002002011220 is 2211020020022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22002002011195 and 22002002011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002002011229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109900652 + ... + 110100668.

It is an arithmetic number, because the mean of its divisors is an integer number (600066001080).

Almost surely, 2^{22002002011220} is an apocalyptic number.

22002002011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002002011220 is an abundant number, since it is smaller than the sum of its proper divisors (35604334092460).

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

22002002011220 is a wasteful number, since it uses less digits than its factorization.

22002002011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271473 (or 271471 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22002002011220 its reverse (2211020020022), we get a palindrome (24213022031242).

The spelling of 22002002011220 in words is "twenty-two trillion, two billion, two million, eleven thousand, two hundred twenty".