Search a number
-
+
20302201232310 = 2351829813698417
BaseRepresentation
bin1001001110110111110010…
…11111100001101110110110
32122212212112022101201110110
410213123321133201232312
510130112402003413220
6111102411423203450
74163533321065204
oct447337137415666
978785468351413
1020302201232310
11651812a355798
12233a852146586
13b43649185b6a
145028bb87c074
15253190906be0
hex1276f97e1bb6

20302201232310 has 32 divisors (see below), whose sum is σ = 48725562418272. Its totient is φ = 5413889277440.

The previous prime is 20302201232279. The next prime is 20302201232351. The reversal of 20302201232310 is 1323210220302.

It is a happy number.

It is a super-2 number, since 2×203022012323102 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

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, 3640222 + ... + 7338638.

It is an arithmetic number, because the mean of its divisors is an integer number (1522673825571).

Almost surely, 220302201232310 is an apocalyptic number.

20302201232310 is an abundant number, since it is smaller than the sum of its proper divisors (28423361185962).

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

20302201232310 is a wasteful number, since it uses less digits than its factorization.

20302201232310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881408.

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

Adding to 20302201232310 its reverse (1323210220302), we get a palindrome (21625411452612).

The spelling of 20302201232310 in words is "twenty trillion, three hundred two billion, two hundred one million, two hundred thirty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 182981 365962 548943 914905 1097886 1829810 2744715 3698417 5489430 7396834 11095251 18492085 22190502 36984170 55476255 110952510 676740041077 1353480082154 2030220123231 3383700205385 4060440246462 6767400410770 10151100616155 20302201232310