Search a number
-
+
22022022212020 = 2251101101110601
BaseRepresentation
bin1010000000111011001101…
…10011111010100110110100
32212222021200120222122021001
411000131212303322212310
510341302100141241040
6114500435523333044
74432016145156505
oct500354663724664
985867616878231
1022022022212020
11702053a475746
122578022821184
13c3988b17629c
14561c2b7d0bac
15282c9b3cd59a
hex140766cfa9b4

22022022212020 has 12 divisors (see below), whose sum is σ = 46246246645284. Its totient is φ = 8808808884800.

The previous prime is 22022022212009. The next prime is 22022022212039. The reversal of 22022022212020 is 2021222022022.

It can be written as a sum of positive squares in 2 ways, for example, as 15920786287396 + 6101235924624 = 3990086^2 + 2470068^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550550555281 + ... + 550550555320.

It is an arithmetic number, because the mean of its divisors is an integer number (3853853887107).

Almost surely, 222022022212020 is an apocalyptic number.

22022022212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022022212020 is an abundant number, since it is smaller than the sum of its proper divisors (24224224433264).

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

22022022212020 is a wasteful number, since it uses less digits than its factorization.

22022022212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101101110610 (or 1101101110608 counting only the distinct ones).

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

Adding to 22022022212020 its reverse (2021222022022), we get a palindrome (24043244234042).

The spelling of 22022022212020 in words is "twenty-two trillion, twenty-two billion, twenty-two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 1101101110601 2202202221202 4404404442404 5505505553005 11011011106010 22022022212020