22012210222020 has 192 divisors, whose sum is σ = 69153979910400. Its totient is φ = 5812411530240.

The previous prime is 22012210222003. The next prime is 22012210222031. The reversal of 22012210222020 is 2022201221022.

22012210222020 is a `hidden beast` number, since 2 + 201 + 221 + 0 + 2 + 220 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22012210221984 and 22012210222002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128243616 + ... + 128415144.

It is an arithmetic number, because the mean of its divisors is an integer number (360176978700).

Almost surely, 2^{22012210222020} is an apocalyptic number.

22012210222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012210222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34576989955200).

22012210222020 is an abundant number, since it is smaller than the sum of its proper divisors (47141769688380).

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

22012210222020 is a wasteful number, since it uses less digits than its factorization.

22012210222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173875 (or 173867 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22012210222020 its reverse (2022201221022), we get a palindrome (24034411443042).

The spelling of 22012210222020 in words is "twenty-two trillion, twelve billion, two hundred ten million, two hundred twenty-two thousand, twenty".