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2020251300 = 2235225726203
BaseRepresentation
bin111100001101010…
…1001011010100100
312012210110101210020
41320122221122210
513114141020200
6532244555140
7101030565324
oct17032513244
95183411706
102020251300
11947419781
124846b2ab0
13262717c92
1415244b284
15bc562ea0
hex786a96a4

2020251300 has 72 divisors (see below), whose sum is σ = 5868228576. Its totient is φ = 536616960.

The previous prime is 2020251293. The next prime is 2020251349. The reversal of 2020251300 is 31520202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2020251300.

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, 63999 + ... + 90201.

Almost surely, 22020251300 is an apocalyptic number.

2020251300 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 2020251300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934114288).

2020251300 is an abundant number, since it is smaller than the sum of its proper divisors (3847977276).

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

2020251300 is a wasteful number, since it uses less digits than its factorization.

2020251300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26477 (or 26470 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2020251300 is about 44947.2056973512. The cubic root of 2020251300 is about 1264.1592834908.

Adding to 2020251300 its reverse (31520202), we get a palindrome (2051771502).

The spelling of 2020251300 in words is "two billion, twenty million, two hundred fifty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 257 300 514 771 1028 1285 1542 2570 3084 3855 5140 6425 7710 12850 15420 19275 25700 26203 38550 52406 77100 78609 104812 131015 157218 262030 314436 393045 524060 655075 786090 1310150 1572180 1965225 2620300 3930450 6734171 7860900 13468342 20202513 26936684 33670855 40405026 67341710 80810052 101012565 134683420 168354275 202025130 336708550 404050260 505062825 673417100 1010125650 2020251300