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223230203020 = 2251122912233623
BaseRepresentation
bin1100111111100110001…
…1101001010010001100
3210100012022000021021001
43033321203221102030
512124133412444040
6250314525550044
722061565263266
oct3177143512214
9710168007231
10223230203020
11867426a25a0
123731b415324
1318086cabb36
14ab393b4b36
155c17aa759a
hex33f98e948c

223230203020 has 96 divisors (see below), whose sum is σ = 514195153920. Its totient is φ = 80731772160.

The previous prime is 223230203011. The next prime is 223230203113. The reversal of 223230203020 is 20302032322.

It is a super-3 number, since 3×2232302030203 (a number of 35 digits) contains 333 as substring.

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, 61612929 + ... + 61616551.

It is an arithmetic number, because the mean of its divisors is an integer number (5356199520).

Almost surely, 2223230203020 is an apocalyptic number.

223230203020 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 223230203020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257097576960).

223230203020 is an abundant number, since it is smaller than the sum of its proper divisors (290964950900).

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

223230203020 is a wasteful number, since it uses less digits than its factorization.

223230203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 223230203020 its reverse (20302032322), we get a palindrome (243532235342).

The spelling of 223230203020 in words is "two hundred twenty-three billion, two hundred thirty million, two hundred three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 229 458 916 1145 1223 2290 2446 2519 3623 4580 4892 5038 6115 7246 10076 12230 12595 13453 14492 18115 24460 25190 26906 36230 39853 50380 53812 67265 72460 79706 134530 159412 199265 269060 280067 398530 560134 797060 829667 1120268 1400335 1659334 2800670 3080737 3318668 4148335 4430929 5601340 6161474 8296670 8861858 9126337 12322948 15403685 16593340 17723716 18252674 22154645 30807370 36505348 44309290 45631685 48740219 61614740 88618580 91263370 97480438 182526740 194960876 243701095 487402190 974804380 1014682741 2029365482 4058730964 5073413705 10146827410 11161510151 20293654820 22323020302 44646040604 55807550755 111615101510 223230203020