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20102202202 = 253307617731
BaseRepresentation
bin10010101110001011…
…110100001101011010
31220212221211200022111
4102232023310031122
5312132130432302
613122415542534
71311102620335
oct225613641532
956787750274
1020102202202
118586195055
123a9022aa4a
131b8490c904
14d89acb61c
157c9c080d7
hex4ae2f435a

20102202202 has 16 divisors (see below), whose sum is σ = 30822355872. Its totient is φ = 9829319760.

The previous prime is 20102202173. The next prime is 20102202203. The reversal of 20102202202 is 20220220102.

It is not an unprimeable number, because it can be changed into a prime (20102202203) 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, 276324 + ... + 341407.

It is an arithmetic number, because the mean of its divisors is an integer number (1926397242).

Almost surely, 220102202202 is an apocalyptic number.

20102202202 is a deficient number, since it is larger than the sum of its proper divisors (10720153670).

20102202202 is a wasteful number, since it uses less digits than its factorization.

20102202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618093.

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

Adding to 20102202202 its reverse (20220220102), we get a palindrome (40322422304).

It can be divided in two parts, 20102 and 202202, that multiplied together give a palindrome (4064664604).

The spelling of 20102202202 in words is "twenty billion, one hundred two million, two hundred two thousand, two hundred two".

Divisors: 1 2 53 106 307 614 16271 32542 617731 1235462 32739743 65479486 189643417 379286834 10051101101 20102202202