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23132033220 = 22353149924923
BaseRepresentation
bin10101100010110001…
…101101000011000100
32012201010000001010010
4111202301231003010
5334333300030340
614343211430220
71446143016042
oct254261550304
965633001103
1023132033220
1198a047aa2a
124596a55370
13224853a22a
14119625b392
15905be0b80
hex562c6d0c4

23132033220 has 96 divisors (see below), whose sum is σ = 66995712000. Its totient is φ = 5957354880.

The previous prime is 23132033201. The next prime is 23132033233. The reversal of 23132033220 is 2233023132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 915679 + ... + 940601.

It is an arithmetic number, because the mean of its divisors is an integer number (697872000).

Almost surely, 223132033220 is an apocalyptic number.

23132033220 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 23132033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33497856000).

23132033220 is an abundant number, since it is smaller than the sum of its proper divisors (43863678780).

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

23132033220 is a wasteful number, since it uses less digits than its factorization.

23132033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25465 (or 25463 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23132033220 its reverse (2233023132), we get a palindrome (25365056352).

The spelling of 23132033220 in words is "twenty-three billion, one hundred thirty-two million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 499 620 930 998 1497 1860 1996 2495 2994 4990 5988 7485 9980 14970 15469 24923 29940 30938 46407 49846 61876 74769 77345 92814 99692 124615 149538 154690 185628 232035 249230 299076 309380 373845 464070 498460 747690 772613 928140 1495380 1545226 2317839 3090452 3863065 4635678 7726130 9271356 11589195 12436577 15452260 23178390 24873154 37309731 46356780 49746308 62182885 74619462 124365770 149238924 186548655 248731540 373097310 385533887 746194620 771067774 1156601661 1542135548 1927669435 2313203322 3855338870 4626406644 5783008305 7710677740 11566016610 23132033220