Search a number
-
+
20120222002101 = 3132779497196111
BaseRepresentation
bin1001001001100100110101…
…01011110110101110110101
32122020110210212100222210020
410210302122223312232311
510114122203313031401
6110443034040515353
74144431600126504
oct444623253665665
978213725328706
1020120222002101
116457a35872671
12230b52577bb59
13b2c437489ba0
144d7b76c7283b
1524d58e58ed36
hex124c9aaf6bb5

20120222002101 has 32 divisors (see below), whose sum is σ = 28998074208768. Its totient is φ = 12335613949440.

The previous prime is 20120222002073. The next prime is 20120222002187. The reversal of 20120222002101 is 10120022202102.

It is not a de Polignac number, because 20120222002101 - 218 = 20120221739957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120222000101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102498036 + ... + 102694146.

It is an arithmetic number, because the mean of its divisors is an integer number (906189819024).

Almost surely, 220120222002101 is an apocalyptic number.

It is an amenable number.

20120222002101 is a deficient number, since it is larger than the sum of its proper divisors (8877852206667).

20120222002101 is a wasteful number, since it uses less digits than its factorization.

20120222002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205901.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20120222002101 its reverse (10120022202102), we get a palindrome (30240244204203).

The spelling of 20120222002101 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, two thousand, one hundred one".

Divisors: 1 3 13 39 277 831 3601 9497 10803 28491 123461 196111 370383 588333 2549443 2630669 7648329 7892007 34198697 54322747 102596091 162968241 706195711 1862466167 2118587133 5587398501 24212060171 72636180513 515903128259 1547709384777 6706740667367 20120222002101