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20300133300 = 22352227298093
BaseRepresentation
bin10010111001111110…
…110111001110110100
31221101202021121201220
4102321332313032310
5313033313231200
613154210150340
71316025200046
oct227176671664
957352247656
1020300133300
118677994677
123b265823b0
131bb69212c5
14da80d1a96
157dc2a44a0
hex4b9fb73b4

20300133300 has 72 divisors (see below), whose sum is σ = 58993994976. Its totient is φ = 5389503360.

The previous prime is 20300133283. The next prime is 20300133379. The reversal of 20300133300 is 333100302.

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 20300133300.

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, 80947 + ... + 217146.

Almost surely, 220300133300 is an apocalyptic number.

20300133300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300133300 is an abundant number, since it is smaller than the sum of its proper divisors (38693861676).

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

20300133300 is a wasteful number, since it uses less digits than its factorization.

20300133300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298337 (or 298330 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20300133300 its reverse (333100302), we get a palindrome (20633233602).

The spelling of 20300133300 in words is "twenty billion, three hundred million, one hundred thirty-three thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 227 300 454 681 908 1135 1362 2270 2724 3405 4540 5675 6810 11350 13620 17025 22700 34050 68100 298093 596186 894279 1192372 1490465 1788558 2980930 3577116 4471395 5961860 7452325 8942790 14904650 17885580 22356975 29809300 44713950 67667111 89427900 135334222 203001333 270668444 338335555 406002666 676671110 812005332 1015006665 1353342220 1691677775 2030013330 3383355550 4060026660 5075033325 6766711100 10150066650 20300133300