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202120022222222 = 21324517131707857
BaseRepresentation
bin101101111101001110111100…
…001000000110010110001110
3222111122111002212110112012012
4231331032330020012112032
5202443013301142102342
61553512353435141222
760400455400011026
oct5575167410062616
9874574085415165
10202120022222222
1159446690317125
121a80426a5a4812
1388a1ab44bb350
1437ca938762a86
151857913e61b82
hexb7d3bc20658e

202120022222222 has 16 divisors (see below), whose sum is σ = 326502916386192. Its totient is φ = 93285780666240.

The previous prime is 202120022222221. The next prime is 202120022222233. The reversal of 202120022222222 is 222222220021202.

It is a super-2 number, since 2×2021200222222222 (a number of 29 digits) contains 22 as substring.

202120022222222 is a modest number, since divided by 22222222 gives 2021200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120022222221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9479483 + ... + 22228374.

It is an arithmetic number, because the mean of its divisors is an integer number (20406432274137).

Almost surely, 2202120022222222 is an apocalyptic number.

202120022222222 is a deficient number, since it is larger than the sum of its proper divisors (124382894163970).

202120022222222 is a wasteful number, since it uses less digits than its factorization.

202120022222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31953043.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 202120022222222 its reverse (222222220021202), we get a palindrome (424342242243424).

The spelling of 202120022222222 in words is "two hundred two trillion, one hundred twenty billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 13 26 245171 490342 3187223 6374446 31707857 63415714 412202141 824404282 7773847008547 15547694017094 101060011111111 202120022222222