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23301302420 = 22511149710839
BaseRepresentation
bin10101101100110111…
…011010100010010100
32020010220111210210202
4111230313122202110
5340210113134140
614412055440032
71453266542204
oct255467324224
966126453722
1023301302420
119977a83430
124623686018
132274624a16
1411b0920404
159159c9915
hex56cdda894

23301302420 has 48 divisors (see below), whose sum is σ = 53739504000. Its totient is φ = 8416321920.

The previous prime is 23301302413. The next prime is 23301302477. The reversal of 23301302420 is 2420310332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23301302392 and 23301302401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322640 + ... + 388199.

It is an arithmetic number, because the mean of its divisors is an integer number (1119573000).

Almost surely, 223301302420 is an apocalyptic number.

23301302420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23301302420 is an abundant number, since it is smaller than the sum of its proper divisors (30438201580).

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

23301302420 is a wasteful number, since it uses less digits than its factorization.

23301302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711008 (or 711006 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23301302420 its reverse (2420310332), we get a palindrome (25721612752).

The spelling of 23301302420 in words is "twenty-three billion, three hundred one million, three hundred two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 149 220 298 596 745 1490 1639 2980 3278 6556 8195 16390 32780 710839 1421678 2843356 3554195 7108390 7819229 14216780 15638458 31276916 39096145 78192290 105915011 156384580 211830022 423660044 529575055 1059150110 1165065121 2118300220 2330130242 4660260484 5825325605 11650651210 23301302420