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222222022102020 = 2235173071613439961
BaseRepresentation
bin110010100001110000011000…
…101100000100110000000100
31002010211012212210200210102210
4302201300120230010300010
5213111341200124231040
62104343215420503420
764544003603512533
oct6241603054046004
91063735783623383
10222222022102020
1164896915184586
1220b101496aab70
1396cc5a6716235
143cc38634a831a
151aa57888be480
hexca1c18b04c04

222222022102020 has 192 divisors, whose sum is σ = 661380218585856. Its totient is φ = 55557106974720.

The previous prime is 222222022102019. The next prime is 222222022102081. The reversal of 222222022102020 is 20201220222222.

It is a super-2 number, since 2×2222220221020202 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 504874840 + ... + 505314800.

It is an arithmetic number, because the mean of its divisors is an integer number (3444688638468).

Almost surely, 2222222022102020 is an apocalyptic number.

222222022102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222222022102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330690109292928).

222222022102020 is an abundant number, since it is smaller than the sum of its proper divisors (439158196483836).

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

222222022102020 is a wasteful number, since it uses less digits than its factorization.

222222022102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441910 (or 441908 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222222022102020 its reverse (20201220222222), we get a palindrome (242423242324242).

The spelling of 222222022102020 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-two million, one hundred two thousand, twenty".