22220110012020 has 48 divisors (see below), whose sum is σ = 62242885235328. Its totient is φ = 5922831507840.

The previous prime is 22220110012003. The next prime is 22220110012027. The reversal of 22220110012020 is 2021001102222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220110012027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78957184 + ... + 79238103.

It is an arithmetic number, because the mean of its divisors is an integer number (1296726775736).

Almost surely, 2^{22220110012020} is an apocalyptic number.

22220110012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220110012020 is an abundant number, since it is smaller than the sum of its proper divisors (40022775223308).

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

22220110012020 is a wasteful number, since it uses less digits than its factorization.

22220110012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158197640 (or 158197638 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22220110012020 its reverse (2021001102222), we get a palindrome (24241111114242).

The spelling of 22220110012020 in words is "twenty-two trillion, two hundred twenty billion, one hundred ten million, twelve thousand, twenty".