Search a number
-
+
223053120020 = 225233467139861
BaseRepresentation
bin1100111110111100000…
…0001000001000010100
3210022201221210112001102
43033233000020020110
512123303044320040
6250245202245232
722054315144313
oct3175700101024
9708657715042
10223053120020
1186661742505
1237290056818
13180593b98b3
14ab1da7a27a
155c07278515
hex33ef008214

223053120020 has 48 divisors (see below), whose sum is σ = 488921747328. Its totient is φ = 85316837760.

The previous prime is 223053120019. The next prime is 223053120029. The reversal of 223053120020 is 20021350322.

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 = 223053119974 and 223053120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223053120029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524890 + ... + 1664750.

It is an arithmetic number, because the mean of its divisors is an integer number (10185869736).

Almost surely, 2223053120020 is an apocalyptic number.

223053120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223053120020 is an abundant number, since it is smaller than the sum of its proper divisors (265868627308).

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

223053120020 is a wasteful number, since it uses less digits than its factorization.

223053120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143360 (or 143358 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 223053120020 its reverse (20021350322), we get a palindrome (243074470342).

The spelling of 223053120020 in words is "two hundred twenty-three billion, fifty-three million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 3467 6934 13868 17335 34670 69340 79741 139861 159482 279722 318964 398705 559444 699305 797410 1398610 1594820 2797220 3216803 6433606 12867212 16084015 32168030 64336060 484898087 969796174 1939592348 2424490435 4848980870 9697961740 11152656001 22305312002 44610624004 55763280005 111526560010 223053120020