22322012020 has 96 divisors (see below), whose sum is σ = 59022141696. Its totient is φ = 6888576000.

The previous prime is 22322011981. The next prime is 22322012021. The reversal of 22322012020 is 2021022322.

It is a super-3 number, since 3×22322012020³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22322011985 and 22322012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22322012021) 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, 83784 + ... + 227296.

It is an arithmetic number, because the mean of its divisors is an integer number (614813976).

Almost surely, 2^22322012020 is an apocalyptic number.

22322012020 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 22322012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29511070848).

22322012020 is an abundant number, since it is smaller than the sum of its proper divisors (36700129676).

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

22322012020 is a wasteful number, since it uses less digits than its factorization.

22322012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143641 (or 143639 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22322012020 its reverse (2021022322), we get a palindrome (24343034342).

The spelling of 22322012020 in words is "twenty-two billion, three hundred twenty-two million, twelve thousand, twenty".