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20671461060 = 2235344524351
BaseRepresentation
bin10011010000000111…
…010111011011000100
31222100122000000122220
4103100013113123010
5314313343223220
613255113052340
71331154343215
oct232007273304
958318000586
1020671461060
118848556718
12400a9b70b0
131c45834083
14100155140c
1580eba2540
hex4d01d76c4

20671461060 has 24 divisors (see below), whose sum is σ = 57880091136. Its totient is φ = 5512389600.

The previous prime is 20671461059. The next prime is 20671461101. The reversal of 20671461060 is 6016417602.

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, 172262116 + ... + 172262235.

It is an arithmetic number, because the mean of its divisors is an integer number (2411670464).

Almost surely, 220671461060 is an apocalyptic number.

20671461060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20671461060 is an abundant number, since it is smaller than the sum of its proper divisors (37208630076).

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

20671461060 is a wasteful number, since it uses less digits than its factorization.

20671461060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344524363 (or 344524361 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 20671461060 its reverse (6016417602), we get a palindrome (26687878662).

The spelling of 20671461060 in words is "twenty billion, six hundred seventy-one million, four hundred sixty-one thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 344524351 689048702 1033573053 1378097404 1722621755 2067146106 3445243510 4134292212 5167865265 6890487020 10335730530 20671461060