Search a number
-
+
20203013214220 = 2256763907235919
BaseRepresentation
bin1001001011111111000010…
…11011010001000000001100
32122112101111201122022222211
410211333201123101000030
510122001232340323340
6110545045223520204
74153422333615664
oct445774133210014
978471451568884
1020203013214220
11648a0602a4721
1223235902b9064
13b3719c962cb5
144dbb8c5c51a4
152507d7b0e5ea
hex125fe16d100c

20203013214220 has 48 divisors (see below), whose sum is σ = 43060412828160. Its totient is φ = 7960431973824.

The previous prime is 20203013214161. The next prime is 20203013214229. The reversal of 20203013214220 is 2241231030202.

It is a super-2 number, since 2×202030132142202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20203013214191 and 20203013214200.

It is not an unprimeable number, because it can be changed into a prime (20203013214229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85517421 + ... + 85753339.

It is an arithmetic number, because the mean of its divisors is an integer number (897091933920).

Almost surely, 220203013214220 is an apocalyptic number.

20203013214220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203013214220 is an abundant number, since it is smaller than the sum of its proper divisors (22857399613940).

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

20203013214220 is a wasteful number, since it uses less digits than its factorization.

20203013214220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299902 (or 299900 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20203013214220 its reverse (2241231030202), we get a palindrome (22444244244422).

The spelling of 20203013214220 in words is "twenty trillion, two hundred three billion, thirteen million, two hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 63907 127814 235919 255628 319535 471838 639070 943676 1179595 1278140 2359190 4281769 4718380 8563538 15806573 17127076 21408845 31613146 42817690 63226292 79032865 85635380 158065730 316131460 15076875533 30153751066 60307502132 75384377665 150768755330 301537510660 1010150660711 2020301321422 4040602642844 5050753303555 10101506607110 20203013214220