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20067205603 = 1729311313041
BaseRepresentation
bin10010101100000110…
…010100000111100011
31220210111222200000011
4102230012110013203
5312044201034403
613115125505351
71310166301414
oct225406240743
956714880004
1020067205603
118568461645
123a80572257
131b7a5a8573
14d851bb80b
157c6ae3a6d
hex4ac1941e3

20067205603 has 16 divisors (see below), whose sum is σ = 22689365760. Its totient is φ = 17647257600.

The previous prime is 20067205601. The next prime is 20067205621. The reversal of 20067205603 is 30650276002.

It is a cyclic number.

It is not a de Polignac number, because 20067205603 - 21 = 20067205601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20067205601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641238 + ... + 671803.

It is an arithmetic number, because the mean of its divisors is an integer number (1418085360).

Almost surely, 220067205603 is an apocalyptic number.

20067205603 is a deficient number, since it is larger than the sum of its proper divisors (2622160157).

20067205603 is a wasteful number, since it uses less digits than its factorization.

20067205603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313118.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 20067205603 in words is "twenty billion, sixty-seven million, two hundred five thousand, six hundred three".

Divisors: 1 17 29 31 493 527 899 15283 1313041 22321697 38078189 40704271 647329213 691972607 1180423859 20067205603