20220223203444 has 384 divisors, whose sum is σ = 54881198991360. Its totient is φ = 5738545612800.

The previous prime is 20220223203421. The next prime is 20220223203493. The reversal of 20220223203444 is 44430232202202.

It is a super-2 number, since 2×20220223203444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10094968147 + ... + 10094970149.

It is an arithmetic number, because the mean of its divisors is an integer number (142919789040).

Almost surely, 2^{20220223203444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220223203444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27440599495680).

20220223203444 is an abundant number, since it is smaller than the sum of its proper divisors (34660975787916).

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

20220223203444 is a wasteful number, since it uses less digits than its factorization.

20220223203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 20220223203444 its reverse (44430232202202), we get a palindrome (64650455405646).

The spelling of 20220223203444 in words is "twenty trillion, two hundred twenty billion, two hundred twenty-three million, two hundred three thousand, four hundred forty-four".