223112232020 has 24 divisors (see below), whose sum is σ = 468551649384. Its totient is φ = 89241852416.

The previous prime is 223112232019. The next prime is 223112232043. The reversal of 223112232020 is 20232211322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63965491396 + 159146740624 = 252914^2 + 398932^2 .

It is a super-3 number, since 3×223112232020³ (a number of 35 digits) contains 333 as substring.

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 = 223112231983 and 223112232001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467144 + ... + 815136.

It is an arithmetic number, because the mean of its divisors is an integer number (19522985391).

Almost surely, 2^223112232020 is an apocalyptic number.

223112232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223112232020 is an abundant number, since it is smaller than the sum of its proper divisors (245439417364).

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

223112232020 is a wasteful number, since it uses less digits than its factorization.

223112232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380059 (or 380057 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 223112232020 its reverse (20232211322), we get a palindrome (243344443342).

The spelling of 223112232020 in words is "two hundred twenty-three billion, one hundred twelve million, two hundred thirty-two thousand, twenty".