223021023320 has 16 divisors (see below), whose sum is σ = 501797302560. Its totient is φ = 89208409312.

The previous prime is 223021023307. The next prime is 223021023341. The reversal of 223021023320 is 23320120322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 223021023292 and 223021023301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787762752 + ... + 2787762831.

It is an arithmetic number, because the mean of its divisors is an integer number (31362331410).

Almost surely, 2^223021023320 is an apocalyptic number.

223021023320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223021023320 is an abundant number, since it is smaller than the sum of its proper divisors (278776279240).

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

223021023320 is a wasteful number, since it uses less digits than its factorization.

223021023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575525594 (or 5575525590 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 223021023320 its reverse (23320120322), we get a palindrome (246341143642).

The spelling of 223021023320 in words is "two hundred twenty-three billion, twenty-one million, twenty-three thousand, three hundred twenty".