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20002020222 = 2317319269769
BaseRepresentation
bin10010101000001101…
…101001101101111110
31220121222022220110210
4102220031221231332
5311431004121342
613104440413250
71305445236522
oct225015515576
956558286423
1020002020222
118534689928
123a62777226
131b69c34332
14d7a68dd82
157c101979c
hex4a8369b7e

20002020222 has 16 divisors (see below), whose sum is σ = 40235279760. Its totient is φ = 6628800192.

The previous prime is 20002020211. The next prime is 20002020239. The reversal of 20002020222 is 22202020002.

It is a super-2 number, since 2×200020202222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20002020198 and 20002020207.

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 7 ways as a sum of consecutive naturals, for example, 9633847 + ... + 9635922.

It is an arithmetic number, because the mean of its divisors is an integer number (2514704985).

Almost surely, 220002020222 is an apocalyptic number.

20002020222 is an abundant number, since it is smaller than the sum of its proper divisors (20233259538).

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

20002020222 is a wasteful number, since it uses less digits than its factorization.

20002020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19269947.

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

Adding to 20002020222 its reverse (22202020002), we get a palindrome (42204040224).

The spelling of 20002020222 in words is "twenty billion, two million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 173 346 519 1038 19269769 38539538 57809307 115618614 3333670037 6667340074 10001010111 20002020222