222303123020 has 96 divisors (see below), whose sum is σ = 521998477056. Its totient is φ = 78842016000.

The previous prime is 222303123019. The next prime is 222303123041. The reversal of 222303123020 is 20321303222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222303122983 and 222303123001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1414079 + ... + 1563401.

It is an arithmetic number, because the mean of its divisors is an integer number (5437484136).

Almost surely, 2^222303123020 is an apocalyptic number.

222303123020 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 222303123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260999238528).

222303123020 is an abundant number, since it is smaller than the sum of its proper divisors (299695354036).

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

222303123020 is a wasteful number, since it uses less digits than its factorization.

222303123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149511 (or 149509 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222303123020 its reverse (20321303222), we get a palindrome (242624426242).

The spelling of 222303123020 in words is "two hundred twenty-two billion, three hundred three million, one hundred twenty-three thousand, twenty".