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20201440300 = 22521982312919
BaseRepresentation
bin10010110100000110…
…011000010000101100
31221010212120111101121
4102310012120100230
5312333032042200
613140322550324
71313416260256
oct226406302054
957125514347
1020201440300
118627206108
123ab95083a4
131b9c347692
14d98d60cd6
157d37abe1a
hex4b419842c

20201440300 has 72 divisors (see below), whose sum is σ = 46203987200. Its totient is φ = 7645389120.

The previous prime is 20201440277. The next prime is 20201440309. The reversal of 20201440300 is 304410202.

It is not an unprimeable number, because it can be changed into a prime (20201440309) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1557241 + ... + 1570159.

Almost surely, 220201440300 is an apocalyptic number.

20201440300 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 20201440300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23101993600).

20201440300 is an abundant number, since it is smaller than the sum of its proper divisors (26002546900).

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

20201440300 is a wasteful number, since it uses less digits than its factorization.

20201440300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775 (or 13768 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20201440300 its reverse (304410202), we get a palindrome (20505850502).

The spelling of 20201440300 in words is "twenty billion, two hundred one million, four hundred forty thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 823 950 1646 1900 3292 4115 8230 12919 15637 16460 20575 25838 31274 41150 51676 62548 64595 78185 82300 129190 156370 245461 258380 312740 322975 390925 490922 645950 781850 981844 1227305 1291900 1563700 2454610 4909220 6136525 10632337 12273050 21264674 24546100 42529348 53161685 106323370 202014403 212646740 265808425 404028806 531616850 808057612 1010072015 1063233700 2020144030 4040288060 5050360075 10100720150 20201440300