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22222112002020 = 22335747125082247
BaseRepresentation
bin1010000110101111111010…
…00101111000111111100100
32220200102011012020010111000
411003113331011320333210
510403041341133031040
6115132410342113300
74452331436263110
oct503277505707744
986612135203430
1022222112002020
117098387994457
1225aa96441b830
13c526c7c72928
1456b7ad7a6740
152880ac68c130
hex1435fd178fe4

22222112002020 has 192 divisors, whose sum is σ = 80693059829760. Its totient is φ = 4971268785024.

The previous prime is 22222112002019. The next prime is 22222112002033. The reversal of 22222112002020 is 2020021122222.

22222112002020 is a `hidden beast` number, since 222 + 221 + 1 + 20 + 0 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22222112001984 and 22222112002002.

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, 62363464 + ... + 62718783.

It is an arithmetic number, because the mean of its divisors is an integer number (420276353280).

Almost surely, 222222112002020 is an apocalyptic number.

22222112002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222112002020 is an abundant number, since it is smaller than the sum of its proper divisors (58470947827740).

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

22222112002020 is a wasteful number, since it uses less digits than its factorization.

22222112002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125082319 (or 125082311 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22222112002020 its reverse (2020021122222), we get a palindrome (24242133124242).

The spelling of 22222112002020 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twelve million, two thousand, twenty".