Search a number
-
+
27020462020 = 22519421168899
BaseRepresentation
bin11001001010100010…
…111000011111000100
32120202002202200122121
4121022202320133010
5420314214241040
620225114135324
71644410065126
oct311242703704
976662680577
1027020462020
111050638a052
1252a1121544
132717cc6386
14144484b216
15a82277c4a
hex64a8b87c4

27020462020 has 48 divisors (see below), whose sum is σ = 59871672000. Its totient is φ = 10214951040.

The previous prime is 27020462003. The next prime is 27020462069. The reversal of 27020462020 is 2026402072.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75531 + ... + 244429.

It is an arithmetic number, because the mean of its divisors is an integer number (1247326500).

Almost surely, 227020462020 is an apocalyptic number.

27020462020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27020462020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29935836000).

27020462020 is an abundant number, since it is smaller than the sum of its proper divisors (32851209980).

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

27020462020 is a wasteful number, since it uses less digits than its factorization.

27020462020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169348 (or 169346 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 27020462020 its reverse (2026402072), we get a palindrome (29046864092).

The spelling of 27020462020 in words is "twenty-seven billion, twenty million, four hundred sixty-two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 421 842 1684 2105 4210 7999 8420 15998 31996 39995 79990 159980 168899 337798 675596 844495 1688990 3209081 3377980 6418162 12836324 16045405 32090810 64181620 71106479 142212958 284425916 355532395 711064790 1351023101 1422129580 2702046202 5404092404 6755115505 13510231010 27020462020