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20404362134 = 2131289608831
BaseRepresentation
bin10011000000001100…
…011101101110010110
31221200000101222211002
4103000030131232112
5313242004042014
613212412143302
71321432134152
oct230014355626
957600358732
1020404362134
118720804302
123b55467b32
131c023b5880
14db7ca4062
157e64e1dde
hex4c031db96

20404362134 has 16 divisors (see below), whose sum is σ = 32986517760. Its totient is φ = 9410076480.

The previous prime is 20404362133. The next prime is 20404362169. The reversal of 20404362134 is 43126340402.

It is a super-3 number, since 3×204043621343 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20404362097 and 20404362106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404362133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270902 + ... + 337929.

It is an arithmetic number, because the mean of its divisors is an integer number (2061657360).

Almost surely, 220404362134 is an apocalyptic number.

20404362134 is a deficient number, since it is larger than the sum of its proper divisors (12582155626).

20404362134 is a wasteful number, since it uses less digits than its factorization.

20404362134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610135.

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 20404362134 in words is "twenty billion, four hundred four million, three hundred sixty-two thousand, one hundred thirty-four".

Divisors: 1 2 13 26 1289 2578 16757 33514 608831 1217662 7914803 15829606 784783159 1569566318 10202181067 20404362134