Search a number
-
+
20010321322230 = 235782723852167
BaseRepresentation
bin1001000110011000001000…
…00110000010000011110110
32121211222010200212000000110
410203030010012002003312
510110322114224302410
6110320340435523450
74133461262560221
oct443140406020366
977758120760013
1020010321322230
11641536979a208
1222b2174159586
13b21c717261b5
144d270cd445b8
1524a7ab065720
hex1233041820f6

20010321322230 has 32 divisors (see below), whose sum is σ = 48024888885504. Its totient is φ = 5336072606816.

The previous prime is 20010321322099. The next prime is 20010321322261. The reversal of 20010321322230 is 3222312301002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20010321322197 and 20010321322206.

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, 23055607 + ... + 23907773.

It is an arithmetic number, because the mean of its divisors is an integer number (1500777777672).

Almost surely, 220010321322230 is an apocalyptic number.

20010321322230 is an abundant number, since it is smaller than the sum of its proper divisors (28014567563274).

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

20010321322230 is a wasteful number, since it uses less digits than its factorization.

20010321322230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634900.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20010321322230 its reverse (3222312301002), we get a palindrome (23232633623232).

The spelling of 20010321322230 in words is "twenty trillion, ten billion, three hundred twenty-one million, three hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 782723 852167 1565446 1704334 2348169 2556501 3913615 4260835 4696338 5113002 7827230 8521670 11740845 12782505 23481690 25565010 667010710741 1334021421482 2001032132223 3335053553705 4002064264446 6670107107410 10005160661115 20010321322230