Search a number
-
+
20021202010202 = 217797453909907
BaseRepresentation
bin1001000110101100011001…
…01000100100000001011010
32121220000012222210012220212
410203112030220210001122
510111011410203311302
6110325340242451122
74134325023105461
oct443261450440132
977800188705825
1020021202010202
116419a42646118
1222b42b0063aa2
13b22cb6a07ac3
144d30620379d8
1524abe63d8052
hex12358ca2405a

20021202010202 has 16 divisors (see below), whose sum is σ = 32200890802560. Its totient is φ = 9302479562688.

The previous prime is 20021202010193. The next prime is 20021202010211. The reversal of 20021202010202 is 20201020212002.

It is an interprime number because it is at equal distance from previous prime (20021202010193) and next prime (20021202010211).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3726952268 + ... + 3726957639.

It is an arithmetic number, because the mean of its divisors is an integer number (2012555675160).

Almost surely, 220021202010202 is an apocalyptic number.

20021202010202 is a deficient number, since it is larger than the sum of its proper divisors (12179688792358).

20021202010202 is a wasteful number, since it uses less digits than its factorization.

20021202010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453910005.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20021202010202 its reverse (20201020212002), we get a palindrome (40222222222204).

The spelling of 20021202010202 in words is "twenty trillion, twenty-one billion, two hundred two million, ten thousand, two hundred two".

Divisors: 1 2 17 34 79 158 1343 2686 7453909907 14907819814 126716468419 253432936838 588858882653 1177717765306 10010601005101 20021202010202