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20020002222 = 2311331991393
BaseRepresentation
bin10010101001010010…
…001111110110101110
31220200020011111010210
4102221102033312232
5312000110032342
613110322043250
71306054132263
oct225122176656
956606144123
1020020002222
118543850a90
123a687a9526
131b7088c07c
14d7cc1126a
157c28bc79c
hex4a948fdae

20020002222 has 32 divisors (see below), whose sum is σ = 43693643520. Its totient is φ = 6064773120.

The previous prime is 20020002203. The next prime is 20020002241. The reversal of 20020002222 is 22220002002.

It is an interprime number because it is at equal distance from previous prime (20020002203) and next prime (20020002241).

It is a junction number, because it is equal to n+sod(n) for n = 20020002198 and 20020002207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173358 + ... + 264750.

It is an arithmetic number, because the mean of its divisors is an integer number (1365426360).

Almost surely, 220020002222 is an apocalyptic number.

20020002222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20020002222 is an abundant number, since it is smaller than the sum of its proper divisors (23673641298).

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

20020002222 is a wasteful number, since it uses less digits than its factorization.

20020002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94728.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20020002222 its reverse (22220002002), we get a palindrome (42240004224).

The spelling of 20020002222 in words is "twenty billion, twenty million, two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 3319 6638 9957 19914 36509 73018 91393 109527 182786 219054 274179 548358 1005323 2010646 3015969 6031938 303333367 606666734 910000101 1820000202 3336667037 6673334074 10010001111 20020002222