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2020020211100 = 2252172351662921
BaseRepresentation
bin11101011001010010100…
…101100100110110011100
321011010000200101221122002
4131121102211210312130
5231044000133223400
64143552351341432
7265640661330323
oct35312245446634
97133020357562
102020020211100
1170975a8247a1
122875b0821878
13118644197528
146daab7170ba
153782a8dbed5
hex1d652964d9c

2020020211100 has 72 divisors (see below), whose sum is σ = 4843088959968. Its totient is φ = 727413913600.

The previous prime is 2020020211087. The next prime is 2020020211147. The reversal of 2020020211100 is 11120200202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25792361 + ... + 25870560.

It is an arithmetic number, because the mean of its divisors is an integer number (67265124444).

Almost surely, 22020020211100 is an apocalyptic number.

2020020211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020020211100 is an abundant number, since it is smaller than the sum of its proper divisors (2823068748868).

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

2020020211100 is a wasteful number, since it uses less digits than its factorization.

2020020211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51662975 (or 51662968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020020211100 its reverse (11120200202), we get a palindrome (2031140411302).

The spelling of 2020020211100 in words is "two trillion, twenty billion, twenty million, two hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 23 25 34 46 50 68 85 92 100 115 170 230 340 391 425 460 575 782 850 1150 1564 1700 1955 2300 3910 7820 9775 19550 39100 51662921 103325842 206651684 258314605 516629210 878269657 1033258420 1188247183 1291573025 1756539314 2376494366 2583146050 3513078628 4391348285 4752988732 5166292100 5941235915 8782696570 11882471830 17565393140 20200202111 21956741425 23764943660 29706179575 40400404222 43913482850 59412359150 80800808444 87826965700 101001010555 118824718300 202002021110 404004042220 505005052775 1010010105550 2020020211100