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20310202221202 = 243613338507279
BaseRepresentation
bin1001001111000110101100…
…11000111000001010010010
32122220122011220200001212101
410213203112120320022102
510130230243232034302
6111110213400151014
74164235513264345
oct447432630701222
978818156601771
1020310202221202
116520565739103
12234030576846a
13b4432298410a
1450303a32245c
152534ad04a287
hex1278d6638292

20310202221202 has 16 divisors (see below), whose sum is σ = 31178882528640. Its totient is φ = 9917318405232.

The previous prime is 20310202221193. The next prime is 20310202221227. The reversal of 20310202221202 is 20212220201302.

It is a super-2 number, since 2×203102022212022 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20310202221202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18726202 + ... + 19781077.

It is an arithmetic number, because the mean of its divisors is an integer number (1948680158040).

Almost surely, 220310202221202 is an apocalyptic number.

20310202221202 is a deficient number, since it is larger than the sum of its proper divisors (10868680307438).

20310202221202 is a wasteful number, since it uses less digits than its factorization.

20310202221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38513457.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20310202221202 its reverse (20212220201302), we get a palindrome (40522422422504).

The spelling of 20310202221202 in words is "twenty trillion, three hundred ten billion, two hundred two million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 43 86 6133 12266 263719 527438 38507279 77014558 1655812997 3311625994 236165142107 472330284214 10155101110601 20310202221202