223234134220020 has 192 divisors, whose sum is σ = 792065316575232. Its totient is φ = 45625882176000.

The previous prime is 223234134219937. The next prime is 223234134220033. The reversal of 223234134220020 is 20022431432322.

It is a super-3 number, since 3×223234134220020³ (a number of 44 digits) contains 333 as substring.

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 223234134220020.

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, 395776186 + ... + 396339825.

It is an arithmetic number, because the mean of its divisors is an integer number (4125340190496).

Almost surely, 2^{223234134220020} is an apocalyptic number.

223234134220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223234134220020 is an abundant number, since it is smaller than the sum of its proper divisors (568831182355212).

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

223234134220020 is a wasteful number, since it uses less digits than its factorization.

223234134220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792116102 (or 792116100 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 223234134220020 its reverse (20022431432322), we get a palindrome (243256565652342).

The spelling of 223234134220020 in words is "two hundred twenty-three trillion, two hundred thirty-four billion, one hundred thirty-four million, two hundred twenty thousand, twenty".