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20211112202202 = 23297107108183791
BaseRepresentation
bin1001001100001110001000…
…01010011100111111011010
32122120011102011022112212200
410212013010022130333122
510122114324210432302
6110552505021151030
74154130126104565
oct446070412347732
978504364275780
1020211112202202
116492536a32219
1223250706bb476
13b37b9085408c
144dc31a0994dc
15250b0db5e81c
hex1261c429cfda

20211112202202 has 48 divisors (see below), whose sum is σ = 44655672926592. Its totient is φ = 6605269482240.

The previous prime is 20211112202179. The next prime is 20211112202221. The reversal of 20211112202202 is 20220221111202.

It is a happy number.

20211112202202 is a `hidden beast` number, since 2 + 0 + 211 + 11 + 220 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53905074 + ... + 54278717.

It is an arithmetic number, because the mean of its divisors is an integer number (930326519304).

Almost surely, 220211112202202 is an apocalyptic number.

20211112202202 is an abundant number, since it is smaller than the sum of its proper divisors (24444560724390).

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

20211112202202 is a wasteful number, since it uses less digits than its factorization.

20211112202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108184003 (or 108184000 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20211112202202 its reverse (20220221111202), we get a palindrome (40431333313404).

The spelling of 20211112202202 in words is "twenty trillion, two hundred eleven billion, one hundred twelve million, two hundred two thousand, two hundred two".

Divisors: 1 2 3 6 9 18 97 107 194 214 291 321 582 642 873 963 1746 1926 10379 20758 31137 62274 93411 186822 108183791 216367582 324551373 649102746 973654119 1947308238 10493827727 11575665637 20987655454 23151331274 31481483181 34726996911 62962966362 69453993822 94444449543 104180990733 188888899086 208361981466 1122839566789 2245679133578 3368518700367 6737037400734 10105556101101 20211112202202