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20550005202 = 2337149621259
BaseRepresentation
bin10011001000111000…
…000011000111010010
31222001011110102112210
4103020320003013102
5314041300131302
613235053532550
71325151106416
oct231070030722
958034412483
1020550005202
118795a40081
123b961a4156
131c2661a5bc
14dcd376d46
158041b066c
hex4c8e031d2

20550005202 has 32 divisors (see below), whose sum is σ = 42494184000. Its totient is φ = 6620125248.

The previous prime is 20550005173. The next prime is 20550005209. The reversal of 20550005202 is 20250005502.

It is not an unprimeable number, because it can be changed into a prime (20550005209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277552 + ... + 343707.

It is an arithmetic number, because the mean of its divisors is an integer number (1327943250).

Almost surely, 220550005202 is an apocalyptic number.

20550005202 is an abundant number, since it is smaller than the sum of its proper divisors (21944178798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20550005202 is a wasteful number, since it uses less digits than its factorization.

20550005202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621450.

The product of its (nonzero) digits is 1000, while the sum is 21.

The spelling of 20550005202 in words is "twenty billion, five hundred fifty million, five thousand, two hundred two".

Divisors: 1 2 3 6 37 74 111 149 222 298 447 894 5513 11026 16539 33078 621259 1242518 1863777 3727554 22986583 45973166 68959749 92567591 137919498 185135182 277702773 555405546 3425000867 6850001734 10275002601 20550005202