223060561920 has 312 divisors, whose sum is σ = 883641934656. Its totient is φ = 50984976384.

The previous prime is 223060561909. The next prime is 223060561931. The reversal of 223060561920 is 29165060322.

223060561920 is a `hidden beast` number, since 2 + 2 + 3 + 0 + 6 + 0 + 561 + 92 + 0 = 666.

223060561920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223060561909) and next prime (223060561931).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1203799 + ... + 1376681.

It is an arithmetic number, because the mean of its divisors is an integer number (2832185688).

Almost surely, 2^223060561920 is an apocalyptic number.

223060561920 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 223060561920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441820967328).

223060561920 is an abundant number, since it is smaller than the sum of its proper divisors (660581372736).

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

223060561920 is a wasteful number, since it uses less digits than its factorization.

223060561920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172925 (or 172900 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 223060561920 in words is "two hundred twenty-three billion, sixty million, five hundred sixty-one thousand, nine hundred twenty".