223320020220 has 192 divisors, whose sum is σ = 782384762880. Its totient is φ = 52391750400.

The previous prime is 223320020219. The next prime is 223320020291. The reversal of 223320020220 is 22020023322.

223320020220 is a `hidden beast` number, since 223 + 3 + 200 + 20 + 220 = 666.

It is a super-2 number, since 2×223320020220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 223320020193 and 223320020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 422247 + ... + 790526.

It is an arithmetic number, because the mean of its divisors is an integer number (4074920640).

Almost surely, 2^223320020220 is an apocalyptic number.

223320020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223320020220 is an abundant number, since it is smaller than the sum of its proper divisors (559064742660).

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

223320020220 is a wasteful number, since it uses less digits than its factorization.

223320020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212833 (or 1212825 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 223320020220 its reverse (22020023322), we get a palindrome (245340043542).

The spelling of 223320020220 in words is "two hundred twenty-three billion, three hundred twenty million, twenty thousand, two hundred twenty".