Search a number
-
+
20041666460 = 2254969201667
BaseRepresentation
bin10010101010100100…
…111000111110011100
31220201201221010212222
4102222210320332130
5312021131311320
613112414244512
71306436232314
oct225244707634
956651833788
1020041666460
118554aa8712
123a73ab6738
131b75205b4a
14d81a50444
157c474b825
hex4aa938f9c

20041666460 has 24 divisors (see below), whose sum is σ = 42096178320. Its totient is φ = 8015013504.

The previous prime is 20041666451. The next prime is 20041666483. The reversal of 20041666460 is 6466614002.

It is a self number, because there is not a number n which added to its sum of digits gives 20041666460.

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, 1454 + ... + 200213.

It is an arithmetic number, because the mean of its divisors is an integer number (1754007430).

Almost surely, 220041666460 is an apocalyptic number.

20041666460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20041666460 is an abundant number, since it is smaller than the sum of its proper divisors (22054511860).

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

20041666460 is a wasteful number, since it uses less digits than its factorization.

20041666460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206645 (or 206643 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20041666460 in words is "twenty billion, forty-one million, six hundred sixty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 4969 9938 19876 24845 49690 99380 201667 403334 806668 1008335 2016670 4033340 1002083323 2004166646 4008333292 5010416615 10020833230 20041666460