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20333121102 = 23271123143699
BaseRepresentation
bin10010111011111100…
…101100111001001110
31221111001100120111100
4102323330230321032
5313120234333402
613201345203530
71316605451310
oct227374547116
957431316440
1020333121102
118694575918
123b356305a6
131bc0701208
14dac63b7b0
157e011d71c
hex4bbf2ce4e

20333121102 has 48 divisors (see below), whose sum is σ = 50393865600. Its totient is φ = 5804249616.

The previous prime is 20333121071. The next prime is 20333121119. The reversal of 20333121102 is 20112133302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69649 + ... + 213347.

It is an arithmetic number, because the mean of its divisors is an integer number (1049872200).

Almost surely, 220333121102 is an apocalyptic number.

20333121102 is an abundant number, since it is smaller than the sum of its proper divisors (30060744498).

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

20333121102 is a wasteful number, since it uses less digits than its factorization.

20333121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144837 (or 144834 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20333121102 its reverse (20112133302), we get a palindrome (40445254404).

The spelling of 20333121102 in words is "twenty billion, three hundred thirty-three million, one hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1123 2246 3369 6738 7861 10107 15722 20214 23583 47166 70749 141498 143699 287398 431097 862194 1005893 1293291 2011786 2586582 3017679 6035358 9053037 18106074 161373977 322747954 484121931 968243862 1129617839 1452365793 2259235678 2904731586 3388853517 6777707034 10166560551 20333121102