Search a number
-
+
22022201222020 = 2251101110061101
BaseRepresentation
bin1010000000111011100010…
…11110110010001110000100
32212222022011001211021211001
411000131301132302032010
510341302432003101040
6114500505400223044
74432023450552526
oct500356136621604
985868131737731
1022022201222020
11702062152159a
12257807276aa84
13c398b929166c
14561c474aba16
15282cabe8d59a
hex1407717b2384

22022201222020 has 12 divisors (see below), whose sum is σ = 46246622566284. Its totient is φ = 8808880488800.

The previous prime is 22022201221963. The next prime is 22022201222069. The reversal of 22022201222020 is 2022210222022.

It can be written as a sum of positive squares in 2 ways, for example, as 3166527716676 + 18855673505344 = 1779474^2 + 4342312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550555030531 + ... + 550555030570.

It is an arithmetic number, because the mean of its divisors is an integer number (3853885213857).

Almost surely, 222022201222020 is an apocalyptic number.

22022201222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022201222020 is an abundant number, since it is smaller than the sum of its proper divisors (24224421344264).

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

22022201222020 is a wasteful number, since it uses less digits than its factorization.

22022201222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101110061110 (or 1101110061108 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22022201222020 its reverse (2022210222022), we get a palindrome (24044411444042).

The spelling of 22022201222020 in words is "twenty-two trillion, twenty-two billion, two hundred one million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 1101110061101 2202220122202 4404440244404 5505550305505 11011100611010 22022201222020