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220011211102020 = 2235132314931218463
BaseRepresentation
bin110010000001100101011010…
…000101011001011101000100
31001211222212101120202112222220
4302001211122011121131010
5212314130430020231040
62055531431032252340
764225166624206152
oct6201453205313504
91054885346675886
10220011211102020
1164114259a94258
12208137915410b0
13959bc781408a0
143c48856bc43d2
151a67ee32b32d0
hexc8195a159744

220011211102020 has 96 divisors (see below), whose sum is σ = 663421831468032. Its totient is φ = 54156327418368.

The previous prime is 220011211102019. The next prime is 220011211102141. The reversal of 220011211102020 is 20201112110022.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 179955309 + ... + 181173771.

It is an arithmetic number, because the mean of its divisors is an integer number (6910644077792).

Almost surely, 2220011211102020 is an apocalyptic number.

220011211102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220011211102020 is an abundant number, since it is smaller than the sum of its proper divisors (443410620366012).

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

220011211102020 is a wasteful number, since it uses less digits than its factorization.

220011211102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449981 (or 1449979 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220011211102020 its reverse (20201112110022), we get a palindrome (240212323212042).

The spelling of 220011211102020 in words is "two hundred twenty trillion, eleven billion, two hundred eleven million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 231493 462986 694479 925972 1157465 1218463 1388958 2314930 2436926 2777916 3009409 3472395 3655389 4629860 4873852 6018818 6092315 6944790 7310778 9028227 12037636 12184630 13889580 14621556 15047045 15840019 18056454 18276945 24369260 30094090 31680038 36112908 36553890 45141135 47520057 60188180 63360076 73107780 79200095 90282270 95040114 158400190 180564540 190080228 237600285 316800380 475200570 950401140 282065655259 564131310518 846196965777 1128262621036 1410328276295 1692393931554 2820656552590 3384787863108 3666853518367 4230984828885 5641313105180 7333707036734 8461969657770 11000560555101 14667414073468 16923939315540 18334267591835 22001121110202 36668535183670 44002242220404 55002802775505 73337070367340 110005605551010 220011211102020