Search a number
-
+
20727088120 = 2352711912093
BaseRepresentation
bin10011010011011011…
…100100001111111000
31222111111200011122101
4103103123210033320
5314422113304440
613304421233144
71332431225224
oct232333441770
958444604571
1020727088120
1188769a00a2
1240255627b4
131c5420c7ab
141008ab1784
158149de69a
hex4d36e43f8

20727088120 has 32 divisors (see below), whose sum is σ = 46808061120. Its totient is φ = 8260237440.

The previous prime is 20727088073. The next prime is 20727088139. The reversal of 20727088120 is 2188072702.

It is a happy number.

It is a super-2 number, since 2×207270881202 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20727088120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945207 + ... + 966886.

It is an arithmetic number, because the mean of its divisors is an integer number (1462751910).

Almost surely, 220727088120 is an apocalyptic number.

20727088120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20727088120 is an abundant number, since it is smaller than the sum of its proper divisors (26080973000).

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

20727088120 is a wasteful number, since it uses less digits than its factorization.

20727088120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912375 (or 1912371 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The spelling of 20727088120 in words is "twenty billion, seven hundred twenty-seven million, eighty-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 271 542 1084 1355 2168 2710 5420 10840 1912093 3824186 7648372 9560465 15296744 19120930 38241860 76483720 518177203 1036354406 2072708812 2590886015 4145417624 5181772030 10363544060 20727088120