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2020121210200 = 235242557237343
BaseRepresentation
bin11101011001011000100…
…110110110110101011000
321011010021201110020100111
4131121120212312311120
5231044202012211300
64144010400214104
7265643325653332
oct35313046666530
97133251406314
102020121210200
11709801838925
1228761a60a334
1311865c09aa02
146dabacc8452
15378346dc9ba
hex1d6589b6d58

2020121210200 has 48 divisors (see below), whose sum is σ = 4696911967680. Its totient is φ = 808026092160.

The previous prime is 2020121210171. The next prime is 2020121210209. The reversal of 2020121210200 is 20121210202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020121210209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8392729 + ... + 8630071.

It is an arithmetic number, because the mean of its divisors is an integer number (97852332660).

Almost surely, 22020121210200 is an apocalyptic number.

2020121210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020121210200 is an abundant number, since it is smaller than the sum of its proper divisors (2676790757480).

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

2020121210200 is a wasteful number, since it uses less digits than its factorization.

2020121210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279916 (or 279907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020121210200 its reverse (20121210202), we get a palindrome (2040242420402).

The spelling of 2020121210200 in words is "two trillion, twenty billion, one hundred twenty-one million, two hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 42557 85114 170228 212785 237343 340456 425570 474686 851140 949372 1063925 1186715 1702280 1898744 2127850 2373430 4255700 4746860 5933575 8511400 9493720 11867150 23734300 47468600 10100606051 20201212102 40402424204 50503030255 80804848408 101006060510 202012121020 252515151275 404024242040 505030302550 1010060605100 2020121210200