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10111112202020 = 2258319131890217
BaseRepresentation
bin1001001100100010110101…
…0000000100011100100100
31022210121112210102221112212
42103020231100010130210
52311130024210431040
633300551505102552
72062334533441244
oct223105520043444
938717483387485
1010111112202020
11324910a272a55
121173727027a58
13584620bb901b
1426d547d09b24
1512802e9d1d65
hex9322d404724

10111112202020 has 48 divisors (see below), whose sum is σ = 21601668307968. Its totient is φ = 3974796522240.

The previous prime is 10111112202007. The next prime is 10111112202127. The reversal of 10111112202020 is 2020221111101.

It is a junction number, because it is equal to n+sod(n) for n = 10111112201986 and 10111112202004.

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, 15628049 + ... + 16262168.

It is an arithmetic number, because the mean of its divisors is an integer number (450034756416).

Almost surely, 210111112202020 is an apocalyptic number.

10111112202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111112202020 is an abundant number, since it is smaller than the sum of its proper divisors (11490556105948).

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

10111112202020 is a wasteful number, since it uses less digits than its factorization.

10111112202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31890500 (or 31890498 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111112202020 its reverse (2020221111101), we get a palindrome (12131333313121).

The spelling of 10111112202020 in words is "ten trillion, one hundred eleven billion, one hundred twelve million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 83 166 191 332 382 415 764 830 955 1660 1910 3820 15853 31706 63412 79265 158530 317060 31890217 63780434 127560868 159451085 318902170 637804340 2646888011 5293776022 6091031447 10587552044 12182062894 13234440055 24364125788 26468880110 30455157235 52937760220 60910314470 121820628940 505555610101 1011111220202 2022222440404 2527778050505 5055556101010 10111112202020