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20002222202202 = 2361915712173779
BaseRepresentation
bin1001000110001001000010…
…10110010101110101011010
32121211012020020221002000000
410203010201112111311122
510110204022340432302
6110312521035353430
74133053466311332
oct443044126256532
977735206832000
1020002222202202
116411992a81489
1222b06938b2876
13b212807b9c96
144d21814380c2
1524a484edb31c
hex123121595d5a

20002222202202 has 224 divisors, whose sum is σ = 47705405025600. Its totient is φ = 6269442177024.

The previous prime is 20002222202197. The next prime is 20002222202273. The reversal of 20002222202202 is 20220222220002.

20002222202202 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 222 + 220 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5292991549 + ... + 5292995327.

It is an arithmetic number, because the mean of its divisors is an integer number (212970558150).

Almost surely, 220002222202202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002222202202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23852702512800).

20002222202202 is an abundant number, since it is smaller than the sum of its proper divisors (27703182823398).

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

20002222202202 is a wasteful number, since it uses less digits than its factorization.

20002222202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20002222202202 its reverse (20220222220002), we get a palindrome (40222444422204).

The spelling of 20002222202202 in words is "twenty trillion, two billion, two hundred twenty-two million, two hundred two thousand, two hundred two".