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20302110032 = 2426927717029
BaseRepresentation
bin10010111010000110…
…011001110101010000
31221101220000001022012
4102322012121311100
5313034320010112
613154320402052
71316051042111
oct227206316520
957356001265
1020302110032
118679014836
123b27176328
131bb7163c79
14da8488208
157dc545022
hex4ba199d50

20302110032 has 40 divisors (see below), whose sum is σ = 39626425800. Its totient is φ = 10076216832.

The previous prime is 20302110019. The next prime is 20302110043. The reversal of 20302110032 is 23001120302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 252682816 + 20049427216 = 15896^2 + 141596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20302109989 and 20302110016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183694 + ... + 1200722.

It is an arithmetic number, because the mean of its divisors is an integer number (990660645).

Almost surely, 220302110032 is an apocalyptic number.

It is an amenable number.

20302110032 is a deficient number, since it is larger than the sum of its proper divisors (19324315768).

20302110032 is a wasteful number, since it uses less digits than its factorization.

20302110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17583 (or 17577 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20302110032 its reverse (23001120302), we get a palindrome (43303230334).

The spelling of 20302110032 in words is "twenty billion, three hundred two million, one hundred ten thousand, thirty-two".

Divisors: 1 2 4 8 16 269 277 538 554 1076 1108 2152 2216 4304 4432 17029 34058 68116 74513 136232 149026 272464 298052 596104 1192208 4580801 4717033 9161602 9434066 18323204 18868132 36646408 37736264 73292816 75472528 1268881877 2537763754 5075527508 10151055016 20302110032