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20102220202 = 2237111354469
BaseRepresentation
bin10010101110001011…
…111000100110101010
31220212221212121000011
4102232023320212222
5312132132021302
613122420202134
71311103023661
oct225613704652
956787777004
1020102220202
1185861a7629
123a9023934a
131b84917b6c
14d89ad3dd8
157c9c0d5d7
hex4ae2f89aa

20102220202 has 32 divisors (see below), whose sum is σ = 32190462720. Its totient is φ = 9394640640.

The previous prime is 20102220161. The next prime is 20102220217. The reversal of 20102220202 is 20202220102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341824 + ... + 396292.

It is an arithmetic number, because the mean of its divisors is an integer number (1005951960).

Almost surely, 220102220202 is an apocalyptic number.

20102220202 is a deficient number, since it is larger than the sum of its proper divisors (12088242518).

20102220202 is a wasteful number, since it uses less digits than its factorization.

20102220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54678.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20102220202 its reverse (20202220102), we get a palindrome (40304440304).

The spelling of 20102220202 in words is "twenty billion, one hundred two million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 23 46 71 113 142 226 1633 2599 3266 5198 8023 16046 54469 108938 184529 369058 1252787 2505574 3867299 6154997 7734598 12309994 88947877 141564931 177895754 283129862 437004787 874009574 10051110101 20102220202