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20554415144044 = 2297163819323377
BaseRepresentation
bin1001010110001101100101…
…00111001111110001101100
32200202222112112100221112121
410223012302213033301230
510143230420234102134
6111414322402442324
74221002366005135
oct453066247176154
980688475327477
1020554415144044
116605095550661
12237b7000633a4
13b61371b075a2
14510ba630cc8c
15259a02c89ab4
hex12b1b29cfc6c

20554415144044 has 24 divisors (see below), whose sum is σ = 36341387796560. Its totient is φ = 10171163437056.

The previous prime is 20554415144041. The next prime is 20554415144077. The reversal of 20554415144044 is 44044151445502.

20554415144044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20554415144041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63400084 + ... + 63723460.

Almost surely, 220554415144044 is an apocalyptic number.

It is an amenable number.

20554415144044 is a deficient number, since it is larger than the sum of its proper divisors (15786972652516).

20554415144044 is a wasteful number, since it uses less digits than its factorization.

20554415144044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487297 (or 487295 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 43.

Adding to 20554415144044 its reverse (44044151445502), we get a palindrome (64598566589546).

The spelling of 20554415144044 in words is "twenty trillion, five hundred fifty-four billion, four hundred fifteen million, one hundred forty-four thousand, forty-four".

Divisors: 1 2 4 97 194 388 163819 323377 327638 646754 655276 1293508 15890443 31367569 31780886 62735138 63561772 125470276 52975296763 105950593526 211901187052 5138603786011 10277207572022 20554415144044