Search a number
-
+
20020022210111 = 721137142898349
BaseRepresentation
bin1001000110101010001100…
…10011111110111000111111
32121212220011202210011110012
410203111012103332320333
510111002001141210421
6110325023215333435
74134253546011200
oct443250623767077
977786152704405
1020020022210111
116419497686920
1222b4020b2127b
13b22b59466a41
144d2d8d4855a7
1524ab77a3c95b
hex1235464fee3f

20020022210111 has 12 divisors (see below), whose sum is σ = 25405742471400. Its totient is φ = 15600017306160.

The previous prime is 20020022210053. The next prime is 20020022210147. The reversal of 20020022210111 is 11101222002002.

It is a de Polignac number, because none of the positive numbers 2k-20020022210111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020022210911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18571448636 + ... + 18571449713.

It is an arithmetic number, because the mean of its divisors is an integer number (2117145205950).

Almost surely, 220020022210111 is an apocalyptic number.

20020022210111 is a deficient number, since it is larger than the sum of its proper divisors (5385720261289).

20020022210111 is a wasteful number, since it uses less digits than its factorization.

20020022210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37142898374 (or 37142898367 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020022210111 its reverse (11101222002002), we get a palindrome (31121244212113).

The spelling of 20020022210111 in words is "twenty trillion, twenty billion, twenty-two million, two hundred ten thousand, one hundred eleven".

Divisors: 1 7 11 49 77 539 37142898349 260000288443 408571881839 1820002019101 2860003172873 20020022210111