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20088081424 = 241255505089
BaseRepresentation
bin10010101101010101…
…111100110000010000
31220211222021021020201
4102231111330300100
5312120022101144
613121153144544
71310541606025
oct225525746020
956758237221
1020088081424
11857921a994
123a8755b154
131b81a07518
14d87c9354c
157c88691d4
hex4ad57cc10

20088081424 has 10 divisors (see below), whose sum is σ = 38920657790. Its totient is φ = 10044040704.

The previous prime is 20088081421. The next prime is 20088081439. The reversal of 20088081424 is 42418088002.

It can be written as a sum of positive squares in only one way, i.e., 19982649600 + 105431824 = 141360^2 + 10268^2 .

It is not an unprimeable number, because it can be changed into a prime (20088081421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627752529 + ... + 627752560.

It is an arithmetic number, because the mean of its divisors is an integer number (3892065779).

Almost surely, 220088081424 is an apocalyptic number.

It is an amenable number.

20088081424 is a deficient number, since it is larger than the sum of its proper divisors (18832576366).

20088081424 is a wasteful number, since it uses less digits than its factorization.

20088081424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255505097 (or 1255505091 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 37.

The spelling of 20088081424 in words is "twenty billion, eighty-eight million, eighty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 1255505089 2511010178 5022020356 10044040712 20088081424