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222202222022020 = 22543972526748033
BaseRepresentation
bin110010100001011101111100…
…100000110000110110000100
31002010202022202220100111212111
4302201131330200300312010
5213111030122314201040
62104330142552230404
764542403126561012
oct6241357440606604
91063668686314774
10222202222022020
11648894845933a9
1220b0834269b404
1396ca76c598376
143cc29059838b2
151aa4eca493dea
hexca177c830d84

222202222022020 has 24 divisors (see below), whose sum is σ = 466730789848344. Its totient is φ = 88860674789376.

The previous prime is 222202222021999. The next prime is 222202222022029. The reversal of 222202222022020 is 20220222202222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49135725857344 + 173066496164676 = 7009688^2 + 13155474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222202222021982 and 222202222022000.

It is not an unprimeable number, because it can be changed into a prime (222202222022029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263286077 + ... + 1263461956.

It is an arithmetic number, because the mean of its divisors is an integer number (19447116243681).

Almost surely, 2222202222022020 is an apocalyptic number.

222202222022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202222022020 is an abundant number, since it is smaller than the sum of its proper divisors (244528567826324).

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

222202222022020 is a wasteful number, since it uses less digits than its factorization.

222202222022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526752439 (or 2526752437 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 222202222022020 its reverse (20220222202222), we get a palindrome (242422444224242).

The spelling of 222202222022020 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred twenty-two million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 4397 8794 17588 21985 43970 87940 2526748033 5053496066 10106992132 12633740165 25267480330 50534960660 11110111101101 22220222202202 44440444404404 55550555505505 111101111011010 222202222022020