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20313033200 = 2452672333253
BaseRepresentation
bin10010111010110000…
…000100100111110000
31221102122120000001222
4102322300010213300
5313100114030300
613155350444212
71316242635065
oct227260044760
957378500058
1020313033200
1186841a5549
123b2a963668
131bb94b9a95
14da9accc6c
157dd4a1785
hex4bac049f0

20313033200 has 120 divisors (see below), whose sum is σ = 49758319728. Its totient is φ = 7967139840.

The previous prime is 20313033199. The next prime is 20313033233. The reversal of 20313033200 is 233031302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6242774 + ... + 6246026.

Almost surely, 220313033200 is an apocalyptic number.

20313033200 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 20313033200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24879159864).

20313033200 is an abundant number, since it is smaller than the sum of its proper divisors (29445286528).

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

20313033200 is a wasteful number, since it uses less digits than its factorization.

20313033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571 (or 3560 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20313033200 its reverse (233031302), we get a palindrome (20546064502).

The spelling of 20313033200 in words is "twenty billion, three hundred thirteen million, thirty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 67 80 100 134 200 233 268 335 400 466 536 670 932 1072 1165 1340 1675 1864 2330 2680 3253 3350 3728 4660 5360 5825 6506 6700 9320 11650 13012 13400 15611 16265 18640 23300 26024 26800 31222 32530 46600 52048 62444 65060 78055 81325 93200 124888 130120 156110 162650 217951 249776 260240 312220 325300 390275 435902 624440 650600 757949 780550 871804 1089755 1248880 1301200 1515898 1561100 1743608 2179510 3031796 3122200 3487216 3789745 4359020 5448775 6063592 6244400 7579490 8718040 10897550 12127184 15158980 17436080 18948725 21795100 30317960 37897450 43590200 50782583 60635920 75794900 87180400 101565166 151589800 203130332 253912915 303179600 406260664 507825830 812521328 1015651660 1269564575 2031303320 2539129150 4062606640 5078258300 10156516600 20313033200