22123041001020 has 72 divisors (see below), whose sum is σ = 67128439573104. Its totient is φ = 5897553919488.

The previous prime is 22123041000989. The next prime is 22123041001073. The reversal of 22123041001020 is 2010014032122.

It is a happy number.

22123041001020 is a `hidden beast` number, since 2 + 2 + 1 + 230 + 410 + 0 + 1 + 0 + 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 = 22123041000984 and 22123041001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19484749 + ... + 20588868.

Almost surely, 2^{22123041001020} is an apocalyptic number.

22123041001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22123041001020 is an abundant number, since it is smaller than the sum of its proper divisors (45005398572084).

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

22123041001020 is a wasteful number, since it uses less digits than its factorization.

22123041001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40076699 (or 40076694 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22123041001020 its reverse (2010014032122), we get a palindrome (24133055033142).

The spelling of 22123041001020 in words is "twenty-two trillion, one hundred twenty-three billion, forty-one million, one thousand, twenty".