Search a number
-
+
20023333120121 = 172118758369747
BaseRepresentation
bin1001000110110000010111…
…01010000110100001111001
32121220012201111211211010212
410203120023222012201321
510111030241234320441
6110330331531520505
74134431601203102
oct443301352064171
977805644754125
1020023333120121
11641a9365a2591
1222b47a58b9135
13b23266398ba6
144d31c50a13a9
1524acbd547eeb
hex12360ba86879

20023333120121 has 12 divisors (see below), whose sum is σ = 21288381011568. Its totient is φ = 18829613101632.

The previous prime is 20023333120093. The next prime is 20023333120123. The reversal of 20023333120121 is 12102133332002.

It is not a de Polignac number, because 20023333120121 - 238 = 19748455213177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023333120123) 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, 28841831 + ... + 29527916.

It is an arithmetic number, because the mean of its divisors is an integer number (1774031750964).

Almost surely, 220023333120121 is an apocalyptic number.

It is an amenable number.

20023333120121 is a deficient number, since it is larger than the sum of its proper divisors (1265047891447).

20023333120121 is a wasteful number, since it uses less digits than its factorization.

20023333120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58370968 (or 58370951 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20023333120121 its reverse (12102133332002), we get a palindrome (32125466452123).

The spelling of 20023333120121 in words is "twenty trillion, twenty-three billion, three hundred thirty-three million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 17 289 1187 20179 343043 58369747 992285699 16868856883 69284889689 1177843124713 20023333120121