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20302203300 = 22352257263323
BaseRepresentation
bin10010111010000110…
…110000100110100100
31221101220011210020120
4102322012300212210
5313034331001200
613154322401540
71316051611041
oct227206604644
957356153216
1020302203300
118679078915
123b272002b0
131bb7197562
14da84b01c8
157dc5629a0
hex4ba1b09a4

20302203300 has 72 divisors (see below), whose sum is σ = 58969829856. Its totient is φ = 5392834560.

The previous prime is 20302203283. The next prime is 20302203307. The reversal of 20302203300 is 330220302.

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 20302203300.

It is not an unprimeable number, because it can be changed into a prime (20302203307) 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, 54562 + ... + 208761.

Almost surely, 220302203300 is an apocalyptic number.

20302203300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302203300 is an abundant number, since it is smaller than the sum of its proper divisors (38667626556).

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

20302203300 is a wasteful number, since it uses less digits than its factorization.

20302203300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263597 (or 263590 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20302203300 its reverse (330220302), we get a palindrome (20632423602).

The spelling of 20302203300 in words is "twenty billion, three hundred two million, two hundred three 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 38550 77100 263323 526646 789969 1053292 1316615 1579938 2633230 3159876 3949845 5266460 6583075 7899690 13166150 15799380 19749225 26332300 39498450 67674011 78996900 135348022 203022033 270696044 338370055 406044066 676740110 812088132 1015110165 1353480220 1691850275 2030220330 3383700550 4060440660 5075550825 6767401100 10151101650 20302203300