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20540732010 = 235684691067
BaseRepresentation
bin10011001000010100…
…101011001001101010
31222000112000022010020
4103020110223021222
5314031411411020
613234123101310
71325006225031
oct231024531152
958015008106
1020540732010
118790786a87
123b93071836
131c247217c6
14dcc041718
1580347cc40
hex4c852b26a

20540732010 has 16 divisors (see below), whose sum is σ = 49297756896. Its totient is φ = 5477528528.

The previous prime is 20540731979. The next prime is 20540732027. The reversal of 20540732010 is 1023704502.

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, 342345504 + ... + 342345563.

It is an arithmetic number, because the mean of its divisors is an integer number (3081109806).

Almost surely, 220540732010 is an apocalyptic number.

20540732010 is an abundant number, since it is smaller than the sum of its proper divisors (28757024886).

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

20540732010 is a wasteful number, since it uses less digits than its factorization.

20540732010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684691077.

The product of its (nonzero) digits is 1680, while the sum is 24.

The spelling of 20540732010 in words is "twenty billion, five hundred forty million, seven hundred thirty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 684691067 1369382134 2054073201 3423455335 4108146402 6846910670 10270366005 20540732010