223354513020 has 72 divisors (see below), whose sum is σ = 642752200944. Its totient is φ = 57951419904.

The previous prime is 223354512991. The next prime is 223354513049. The reversal of 223354513020 is 20315453322.

223354513020 is digitally balanced in base 2, 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 (223354512991) and next prime (223354513049).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1277457 + ... + 1441736.

It is an arithmetic number, because the mean of its divisors is an integer number (8927113902).

Almost surely, 2^223354513020 is an apocalyptic number.

223354513020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223354513020 is an abundant number, since it is smaller than the sum of its proper divisors (419397687924).

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

223354513020 is a wasteful number, since it uses less digits than its factorization.

223354513020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719279 (or 2719240 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 223354513020 its reverse (20315453322), we get a palindrome (243669966342).

The spelling of 223354513020 in words is "two hundred twenty-three billion, three hundred fifty-four million, five hundred thirteen thousand, twenty".