223140020 has 48 divisors (see below), whose sum is σ = 499419648. Its totient is φ = 83550720.

The previous prime is 223139981. The next prime is 223140023. The reversal of 223140020 is 20041322.

223140020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223140020³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223139977 and 223140004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223140023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16460 + ... + 26780.

It is an arithmetic number, because the mean of its divisors is an integer number (10404576).

Almost surely, 2^223140020 is an apocalyptic number.

223140020 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 223140020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249709824).

223140020 is an abundant number, since it is smaller than the sum of its proper divisors (276279628).

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

223140020 is a wasteful number, since it uses less digits than its factorization.

223140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400 (or 10398 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 223140020 is about 14937.8720037360. The cubic root of 223140020 is about 606.5395935328.

Adding to 223140020 its reverse (20041322), we get a palindrome (243181342).

The spelling of 223140020 in words is "two hundred twenty-three million, one hundred forty thousand, twenty".