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20230011330 = 2352361523919
BaseRepresentation
bin10010110101110011…
…010111100111000010
31221012212100001110220
4102311303113213002
5312412340330310
613143223203510
71314214154604
oct226563274702
957185301426
1020230011330
11864134aa31
123b06ba6596
131ba523c109
14d9ca7b174
157d6052670
hex4b5cd79c2

20230011330 has 128 divisors (see below), whose sum is σ = 51648122880. Its totient is φ = 5060309760.

The previous prime is 20230011293. The next prime is 20230011343. The reversal of 20230011330 is 3311003202.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22012611 + ... + 22013529.

It is an arithmetic number, because the mean of its divisors is an integer number (403500960).

Almost surely, 220230011330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20230011330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25824061440).

20230011330 is an abundant number, since it is smaller than the sum of its proper divisors (31418111550).

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

20230011330 is a wasteful number, since it uses less digits than its factorization.

20230011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20230011330 its reverse (3311003202), we get a palindrome (23541014532).

The spelling of 20230011330 in words is "twenty billion, two hundred thirty million, eleven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 61 69 115 122 138 183 230 305 345 366 523 610 690 915 919 1046 1403 1569 1830 1838 2615 2757 2806 3138 4209 4595 5230 5514 7015 7845 8418 9190 12029 13785 14030 15690 21045 21137 24058 27570 31903 36087 42090 42274 56059 60145 63411 63806 72174 95709 105685 112118 120290 126822 159515 168177 180435 191418 211370 280295 317055 319030 336354 360870 478545 480637 560590 634110 733769 840885 957090 961274 1289357 1441911 1467538 1681770 2201307 2403185 2578714 2883822 3668845 3868071 4402614 4806370 6446785 7209555 7337690 7736142 11006535 11054651 12893570 14419110 19340355 22013070 22109302 29318857 33163953 38680710 55273255 58637714 66327906 87956571 110546510 146594285 165819765 175913142 293188570 331639530 439782855 674333711 879565710 1348667422 2023001133 3371668555 4046002266 6743337110 10115005665 20230011330