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20466051706460 = 2259943910290757
BaseRepresentation
bin1001010011101000111111…
…01111011110111001011100
32200110112110022222020000002
410221310133233132321130
510140303433214101320
6111305550243353432
74211423561121443
oct451643757367134
980415408866002
1020466051706460
116580670704098
12236655b382878
13b55c2c080049
1450a7c2901d5a
15257580430675
hex129d1fbdee5c

20466051706460 has 24 divisors (see below), whose sum is σ = 42979144971840. Its totient is φ = 8186337561024.

The previous prime is 20466051706339. The next prime is 20466051706487. The reversal of 20466051706460 is 6460715066402.

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, 3156599 + ... + 7134158.

It is an arithmetic number, because the mean of its divisors is an integer number (1790797707160).

Almost surely, 220466051706460 is an apocalyptic number.

20466051706460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20466051706460 is an abundant number, since it is smaller than the sum of its proper divisors (22513093265380).

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

20466051706460 is a wasteful number, since it uses less digits than its factorization.

20466051706460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390205 (or 10390203 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 20466051706460 in words is "twenty trillion, four hundred sixty-six billion, fifty-one million, seven hundred six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 99439 198878 397756 497195 994390 1988780 10290757 20581514 41163028 51453785 102907570 205815140 1023302585323 2046605170646 4093210341292 5116512926615 10233025853230 20466051706460