Search a number
-
+
20727035024 = 241609805121
BaseRepresentation
bin10011010011011011…
…010111010010010000
31222111111120110210212
4103103123113102100
5314422110110044
613304420143252
71332430614353
oct232333272220
958444513725
1020727035024
118876964213
124025537b28
131c541c1587
141008a9a29a
158149cda9e
hex4d36d7490

20727035024 has 20 divisors (see below), whose sum is σ = 40183639020. Its totient is φ = 10357063680.

The previous prime is 20727035003. The next prime is 20727035071. The reversal of 20727035024 is 42053072702.

It can be written as a sum of positive squares in 2 ways, for example, as 20286874624 + 440160400 = 142432^2 + 20980^2 .

It is a super-2 number, since 2×207270350242 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376817 + ... + 428304.

It is an arithmetic number, because the mean of its divisors is an integer number (2009181951).

Almost surely, 220727035024 is an apocalyptic number.

It is an amenable number.

20727035024 is a deficient number, since it is larger than the sum of its proper divisors (19456603996).

20727035024 is a wasteful number, since it uses less digits than its factorization.

20727035024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806738 (or 806732 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The spelling of 20727035024 in words is "twenty billion, seven hundred twenty-seven million, thirty-five thousand, twenty-four".

Divisors: 1 2 4 8 16 1609 3218 6436 12872 25744 805121 1610242 3220484 6440968 12881936 1295439689 2590879378 5181758756 10363517512 20727035024