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102200220001220 = 225112320197671937
BaseRepresentation
bin10111001111001101010111…
…110011110010001111000100
3111101212020122001102021200112
4113033031113303302033010
5101343422022310014340
61001210044413132152
730345502503444305
oct2717152763621704
9441766561367615
10102200220001220
112a622962922350
12b567106a8a058
134504593467603
141b34734a907ac
15bc36e01cc065
hex5cf357cf23c4

102200220001220 has 48 divisors (see below), whose sum is σ = 244311039762048. Its totient is φ = 35547902607360.

The previous prime is 102200220001213. The next prime is 102200220001247. The reversal of 102200220001220 is 22100022002201.

It is a junction number, because it is equal to n+sod(n) for n = 102200220001195 and 102200220001204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10098830909 + ... + 10098841028.

It is an arithmetic number, because the mean of its divisors is an integer number (5089813328376).

Almost surely, 2102200220001220 is an apocalyptic number.

102200220001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200220001220 is an abundant number, since it is smaller than the sum of its proper divisors (142110819760828).

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

102200220001220 is a wasteful number, since it uses less digits than its factorization.

102200220001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20197671980 (or 20197671978 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102200220001220 its reverse (22100022002201), we get a palindrome (124300242003421).

The spelling of 102200220001220 in words is "one hundred two trillion, two hundred billion, two hundred twenty million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2530 5060 20197671937 40395343874 80790687748 100988359685 201976719370 222174391307 403953438740 444348782614 464546454551 888697565228 929092909102 1110871956535 1858185818204 2221743913070 2322732272755 4443487826140 4645464545510 5110011000061 9290929091020 10220022000122 20440044000244 25550055000305 51100110000610 102200220001220