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20038218202 = 2163349176123
BaseRepresentation
bin10010101010010111…
…101111000111011010
31220201111102221202201
4102222113233013122
5312014240440302
613112212320414
71306365021142
oct225227570732
956644387681
1020038218202
118553062a12
123a7291310a
131b74599462
14d813d3922
157c42b9c87
hex4aa5ef1da

20038218202 has 16 divisors (see below), whose sum is σ = 30328552800. Its totient is φ = 9929053872.

The previous prime is 20038218199. The next prime is 20038218209. The reversal of 20038218202 is 20281283002.

It is a super-2 number, since 2×200382182022 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20038218209) 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, 25713 + ... + 201835.

It is an arithmetic number, because the mean of its divisors is an integer number (1895534550).

Almost surely, 220038218202 is an apocalyptic number.

20038218202 is a deficient number, since it is larger than the sum of its proper divisors (10290334598).

20038218202 is a wasteful number, since it uses less digits than its factorization.

20038218202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176637.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 20038218202 in words is "twenty billion, thirty-eight million, two hundred eighteen thousand, two hundred two".

Divisors: 1 2 163 326 349 698 56887 113774 176123 352246 28708049 57416098 61466927 122933854 10019109101 20038218202