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20221110202220 = 2252298974397863
BaseRepresentation
bin1001001100100000110000…
…00101110010111101101100
32122121010012221022120112122
410212100120011302331230
510122300313202432340
6111001241053052112
74154632650516644
oct446203005627554
978533187276478
1020221110202220
1164967a7600654
122326ba0a87038
13b38ac4cc1115
144dc9c7c5b524
15250ee6774db5
hex126418172f6c

20221110202220 has 24 divisors (see below), whose sum is σ = 42464525790624. Its totient is φ = 8088407058816.

The previous prime is 20221110202217. The next prime is 20221110202231. The reversal of 20221110202220 is 2220201112202.

It is a happy 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, 2399009 + ... + 6796871.

It is an arithmetic number, because the mean of its divisors is an integer number (1769355241276).

Almost surely, 220221110202220 is an apocalyptic number.

20221110202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221110202220 is an abundant number, since it is smaller than the sum of its proper divisors (22243415588404).

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

20221110202220 is a wasteful number, since it uses less digits than its factorization.

20221110202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627769 (or 4627767 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20221110202220 its reverse (2220201112202), we get a palindrome (22441311314422).

The spelling of 20221110202220 in words is "twenty trillion, two hundred twenty-one billion, one hundred ten million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 229897 459794 919588 1149485 2298970 4397863 4597940 8795726 17591452 21989315 43978630 87957260 1011055510111 2022111020222 4044222040444 5055277550555 10110555101110 20221110202220