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20167020232 = 2319491293421
BaseRepresentation
bin10010110010000011…
…000100111011001000
31221001110210202221021
4102302003010323020
5312300224121412
613133053122224
71312520562232
oct226203047310
957043722837
1020167020232
118609836877
123aa9a89374
131b95185888
14d94561252
157d075d607
hex4b20c4ec8

20167020232 has 16 divisors (see below), whose sum is σ = 37832593500. Its totient is φ = 10078328640.

The previous prime is 20167020169. The next prime is 20167020233. The reversal of 20167020232 is 23202076102.

It can be written as a sum of positive squares in 2 ways, for example, as 20014892676 + 152127556 = 141474^2 + 12334^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20167020197 and 20167020206.

It is not an unprimeable number, because it can be changed into a prime (20167020233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631119 + ... + 662302.

Almost surely, 220167020232 is an apocalyptic number.

It is an amenable number.

20167020232 is a deficient number, since it is larger than the sum of its proper divisors (17665573268).

20167020232 is a wasteful number, since it uses less digits than its factorization.

20167020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295376 (or 1295372 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 20167020232 its reverse (23202076102), we get a palindrome (43369096334).

The spelling of 20167020232 in words is "twenty billion, one hundred sixty-seven million, twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 1949 3898 7796 15592 1293421 2586842 5173684 10347368 2520877529 5041755058 10083510116 20167020232