Search a number
-
+
20369023736740 = 225753107145317657
BaseRepresentation
bin1001010000110100010000…
…11011001001101110100100
32200010021000021201122211221
410220122020123021232210
510132211230034033430
6111153222245310124
74201420253024320
oct450321033115644
980107007648757
1020369023736740
1165434aa975368
12234b7a0a05344
13b49a38211003
14505c1a486980
15254ca20b257a
hex1286886c9ba4

20369023736740 has 192 divisors, whose sum is σ = 50310972440064. Its totient is φ = 6782805798912.

The previous prime is 20369023736689. The next prime is 20369023736749. The reversal of 20369023736740 is 4763732096302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20369023736749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1153585992 + ... + 1153603648.

It is an arithmetic number, because the mean of its divisors is an integer number (262036314792).

Almost surely, 220369023736740 is an apocalyptic number.

20369023736740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20369023736740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25155486220032).

20369023736740 is an abundant number, since it is smaller than the sum of its proper divisors (29941948703324).

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

20369023736740 is a wasteful number, since it uses less digits than its factorization.

20369023736740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286 (or 19284 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 52.

The spelling of 20369023736740 in words is "twenty trillion, three hundred sixty-nine billion, twenty-three million, seven hundred thirty-six thousand, seven hundred forty".