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20102022120220 = 2256771484639743
BaseRepresentation
bin1001001001000010111011…
…11000110100001100011100
32122011201211111002012100221
410210201131320310030130
510113322420130321340
6110430424054131124
74143215563521415
oct444413570641434
978151744065327
1020102022120220
116450246478a77
122307aa6650aa4
13b2a7c6a14001
144d6d2ba9480c
1524cd768a244a
hex12485de3431c

20102022120220 has 24 divisors (see below), whose sum is σ = 42276601350144. Its totient is φ = 8028931724736.

The previous prime is 20102022120151. The next prime is 20102022120287. The reversal of 20102022120220 is 2202122020102.

It is a junction number, because it is equal to n+sod(n) for n = 20102022120194 and 20102022120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742306332 + ... + 742333411.

It is an arithmetic number, because the mean of its divisors is an integer number (1761525056256).

Almost surely, 220102022120220 is an apocalyptic number.

20102022120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102022120220 is an abundant number, since it is smaller than the sum of its proper divisors (22174579229924).

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

20102022120220 is a wasteful number, since it uses less digits than its factorization.

20102022120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484640429 (or 1484640427 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20102022120220 its reverse (2202122020102), we get a palindrome (22304144140322).

The spelling of 20102022120220 in words is "twenty trillion, one hundred two billion, twenty-two million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 677 1354 2708 3385 6770 13540 1484639743 2969279486 5938558972 7423198715 14846397430 29692794860 1005101106011 2010202212022 4020404424044 5025505530055 10051011060110 20102022120220