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223031133220 = 22573434716087
BaseRepresentation
bin1100111110110110110…
…0010000010000100100
3210022200102102110211111
43033231230100100210
512123231432230340
6250243055114404
722053630232000
oct3175554202044
9708612373744
10223031133220
11866502954a5
1237284812a04
131805498c05c
14ab1ab95700
155c05383aea
hex33edb10424

223031133220 has 192 divisors, whose sum is σ = 570827980800. Its totient is φ = 73095813504.

The previous prime is 223031133139. The next prime is 223031133271. The reversal of 223031133220 is 22331130322.

It is a junction number, because it is equal to n+sod(n) for n = 223031133191 and 223031133200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13856017 + ... + 13872103.

It is an arithmetic number, because the mean of its divisors is an integer number (2973062400).

Almost surely, 2223031133220 is an apocalyptic number.

223031133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223031133220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285413990400).

223031133220 is an abundant number, since it is smaller than the sum of its proper divisors (347796847580).

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

223031133220 is a wasteful number, since it uses less digits than its factorization.

223031133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16207 (or 16191 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 223031133220 its reverse (22331130322), we get a palindrome (245362263542).

The spelling of 223031133220 in words is "two hundred twenty-three billion, thirty-one million, one hundred thirty-three thousand, two hundred twenty".