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2220102102020 = 2251110397974497
BaseRepresentation
bin100000010011101000011…
…001011010110000000100
321212020110201210010100112
4200103220121122300010
5242333232114231040
64415522324532152
7316253125334345
oct40235031326004
97766421703315
102220102102020
117865a3838840
122ba32b851058
1313147c45966a
147964c6340cc
153cb3b13a365
hex204e865ac04

2220102102020 has 48 divisors (see below), whose sum is σ = 5135431287168. Its totient is φ = 799471887360.

The previous prime is 2220102102019. The next prime is 2220102102079. The reversal of 2220102102020 is 202012010222.

It is a junction number, because it is equal to n+sod(n) for n = 2220102101986 and 2220102102004.

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, 48964589 + ... + 49009908.

It is an arithmetic number, because the mean of its divisors is an integer number (106988151816).

Almost surely, 22220102102020 is an apocalyptic number.

2220102102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220102102020 is an abundant number, since it is smaller than the sum of its proper divisors (2915329185148).

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

2220102102020 is a wasteful number, since it uses less digits than its factorization.

2220102102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97974620 (or 97974618 counting only the distinct ones).

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

Adding to 2220102102020 its reverse (202012010222), we get a palindrome (2422114112242).

The spelling of 2220102102020 in words is "two trillion, two hundred twenty billion, one hundred two million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 103 110 206 220 412 515 1030 1133 2060 2266 4532 5665 11330 22660 97974497 195948994 391897988 489872485 979744970 1077719467 1959489940 2155438934 4310877868 5388597335 10091373191 10777194670 20182746382 21554389340 40365492764 50456865955 100913731910 111005105101 201827463820 222010210202 444020420404 555025525505 1110051051010 2220102102020