223552450020 has 96 divisors (see below), whose sum is σ = 653287928832. Its totient is φ = 57011075968.

The previous prime is 223552450013. The next prime is 223552450031. The reversal of 223552450020 is 20054255322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 223552450020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9044599 + ... + 9069281.

It is an arithmetic number, because the mean of its divisors is an integer number (6805082592).

Almost surely, 2^223552450020 is an apocalyptic number.

223552450020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223552450020 is an abundant number, since it is smaller than the sum of its proper divisors (429735478812).

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

223552450020 is a wasteful number, since it uses less digits than its factorization.

223552450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31281 (or 31279 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 223552450020 in words is "two hundred twenty-three billion, five hundred fifty-two million, four hundred fifty thousand, twenty".