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2020403100 = 2235247143291
BaseRepresentation
bin111100001101100…
…1110011110011100
312012210202010000110
41320123032132130
513114210344400
6532252130020
7101032100022
oct17033163634
95183663013
102020403100
11947512831
12484766910
1326276c0c1
1415248a712
15bc592e50
hex786ce79c

2020403100 has 72 divisors (see below), whose sum is σ = 5970117888. Its totient is φ = 527307200.

The previous prime is 2020403081. The next prime is 2020403101. The reversal of 2020403100 is 13040202.

It is a super-2 number, since 2×20204031002 = 8164057372979220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020403101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57546 + ... + 85745.

It is an arithmetic number, because the mean of its divisors is an integer number (82918304).

Almost surely, 22020403100 is an apocalyptic number.

2020403100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020403100 is an abundant number, since it is smaller than the sum of its proper divisors (3949714788).

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

2020403100 is a wasteful number, since it uses less digits than its factorization.

2020403100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143355 (or 143348 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2020403100 is about 44948.8943134311. The cubic root of 2020403100 is about 1264.1909453230.

Adding to 2020403100 its reverse (13040202), we get a palindrome (2033443302).

The spelling of 2020403100 in words is "two billion, twenty million, four hundred three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 47 50 60 75 94 100 141 150 188 235 282 300 470 564 705 940 1175 1410 2350 2820 3525 4700 7050 14100 143291 286582 429873 573164 716455 859746 1432910 1719492 2149365 2865820 3582275 4298730 6734677 7164550 8597460 10746825 13469354 14329100 20204031 21493650 26938708 33673385 40408062 42987300 67346770 80816124 101020155 134693540 168366925 202040310 336733850 404080620 505100775 673467700 1010201550 2020403100