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20055667484 = 228387768881
BaseRepresentation
bin10010101011011010…
…010011001100011100
31220202201021110200102
4102223122103030130
5312033222324414
613114034320232
71306666234526
oct225332231434
956681243612
1020055667484
1185619a0906
123a78729078
131b78098888
14d83856a16
157c5ab4ede
hex4ab69331c

20055667484 has 24 divisors (see below), whose sum is σ = 35561296848. Its totient is φ = 9895576320.

The previous prime is 20055667451. The next prime is 20055667501. The reversal of 20055667484 is 48476655002.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 256724 + ... + 325604.

It is an arithmetic number, because the mean of its divisors is an integer number (1481720702).

Almost surely, 220055667484 is an apocalyptic number.

It is an amenable number.

20055667484 is a deficient number, since it is larger than the sum of its proper divisors (15505629364).

20055667484 is a wasteful number, since it uses less digits than its factorization.

20055667484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69845 (or 69843 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 20055667484 in words is "twenty billion, fifty-five million, six hundred sixty-seven thousand, four hundred eighty-four".

Divisors: 1 2 4 83 166 332 877 1754 3508 68881 72791 137762 145582 275524 291164 5717123 11434246 22868492 60408637 120817274 241634548 5013916871 10027833742 20055667484