22231003001020 has 192 divisors, whose sum is σ = 52847723980800. Its totient is φ = 7781232291840.

The previous prime is 22231003000993. The next prime is 22231003001069. The reversal of 22231003001020 is 2010030013222.

It is a super-2 number, since 2×22231003001020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22231003000985 and 22231003001003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2949578692 + ... + 2949586228.

It is an arithmetic number, because the mean of its divisors is an integer number (275248562400).

Almost surely, 2^{22231003001020} is an apocalyptic number.

22231003001020 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 22231003001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26423861990400).

22231003001020 is an abundant number, since it is smaller than the sum of its proper divisors (30616720979780).

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

22231003001020 is a wasteful number, since it uses less digits than its factorization.

22231003001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948 (or 8946 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22231003001020 its reverse (2010030013222), we get a palindrome (24241033014242).

The spelling of 22231003001020 in words is "twenty-two trillion, two hundred thirty-one billion, three million, one thousand, twenty".