22122022201020 has 144 divisors (see below), whose sum is σ = 76692923955648. Its totient is φ = 5056248130560.

The previous prime is 22122022201007. The next prime is 22122022201039. The reversal of 22122022201020 is 2010222022122.

22122022201020 is a `hidden beast` number, since 2 + 212 + 202 + 220 + 10 + 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 = 22122022200984 and 22122022201002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30410992 + ... + 31129928.

It is an arithmetic number, because the mean of its divisors is an integer number (532589749692).

Almost surely, 2^{22122022201020} is an apocalyptic number.

22122022201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122022201020 is an abundant number, since it is smaller than the sum of its proper divisors (54570901754628).

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

22122022201020 is a wasteful number, since it uses less digits than its factorization.

22122022201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743380 (or 743375 counting only the distinct ones).

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

Adding to 22122022201020 its reverse (2010222022122), we get a palindrome (24132244223142).

The spelling of 22122022201020 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-two million, two hundred one thousand, twenty".