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20201120200 = 2352139726659
BaseRepresentation
bin10010110100000101…
…001010000111001000
31221010211222020022001
4102310011022013020
5312332441321300
613140312040344
71313413455112
oct226405120710
957124866261
1020201120200
118627007668
123ab93930b4
131b9c264a81
14d98cba3b2
157d374716a
hex4b414a1c8

20201120200 has 48 divisors (see below), whose sum is σ = 47305566000. Its totient is φ = 8022304320.

The previous prime is 20201120171. The next prime is 20201120221. The reversal of 20201120200 is 202110202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335530 + ... + 391129.

It is an arithmetic number, because the mean of its divisors is an integer number (985532625).

Almost surely, 220201120200 is an apocalyptic number.

20201120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201120200 is an abundant number, since it is smaller than the sum of its proper divisors (27104445800).

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

20201120200 is a wasteful number, since it uses less digits than its factorization.

20201120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726814 (or 726805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20201120200 its reverse (202110202), we get a palindrome (20403230402).

The spelling of 20201120200 in words is "twenty billion, two hundred one million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 139 200 278 556 695 1112 1390 2780 3475 5560 6950 13900 27800 726659 1453318 2906636 3633295 5813272 7266590 14533180 18166475 29066360 36332950 72665900 101005601 145331800 202011202 404022404 505028005 808044808 1010056010 2020112020 2525140025 4040224040 5050280050 10100560100 20201120200