223240620 has 24 divisors (see below), whose sum is σ = 625073904. Its totient is φ = 59530816.

The previous prime is 223240607. The next prime is 223240631. The reversal of 223240620 is 26042322.

223240620 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 3×223240620³ (a number of 26 digits) contains 333 as substring.

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, 1860279 + ... + 1860398.

It is an arithmetic number, because the mean of its divisors is an integer number (26044746).

Almost surely, 2^223240620 is an apocalyptic number.

223240620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223240620 is an abundant number, since it is smaller than the sum of its proper divisors (401833284).

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

223240620 is a wasteful number, since it uses less digits than its factorization.

223240620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720689 (or 3720687 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 223240620 is about 14941.2389044550. The cubic root of 223240620 is about 606.6307302037.

Adding to 223240620 its reverse (26042322), we get a palindrome (249282942).

The spelling of 223240620 in words is "two hundred twenty-three million, two hundred forty thousand, six hundred twenty".