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20441042300 = 2252758749747
BaseRepresentation
bin10011000010011000…
…011000110101111100
31221202120102112112202
4103002120120311330
5313330401323200
613220202251032
71322355664340
oct230230306574
957676375482
1020441042300
11873a487698
123b657b6a78
131c09b89303
14dbcad1620
157e983a1d5
hex4c2618d7c

20441042300 has 72 divisors (see below), whose sum is σ = 50781166464. Its totient is φ = 6996277440.

The previous prime is 20441042273. The next prime is 20441042381. The reversal of 20441042300 is 324014402.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 386027 + ... + 435773.

Almost surely, 220441042300 is an apocalyptic number.

20441042300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20441042300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25390583232).

20441042300 is an abundant number, since it is smaller than the sum of its proper divisors (30340124164).

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

20441042300 is a wasteful number, since it uses less digits than its factorization.

20441042300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50355 (or 50348 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20441042300 its reverse (324014402), we get a palindrome (20765056702).

The spelling of 20441042300 in words is "twenty billion, four hundred forty-one million, forty-two thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 587 700 1174 2348 2935 4109 5870 8218 11740 14675 16436 20545 29350 41090 49747 58700 82180 99494 102725 198988 205450 248735 348229 410900 497470 696458 994940 1243675 1392916 1741145 2487350 3482290 4974700 6964580 8705725 17411450 29201489 34822900 58402978 116805956 146007445 204410423 292014890 408820846 584029780 730037225 817641692 1022052115 1460074450 2044104230 2920148900 4088208460 5110260575 10220521150 20441042300