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2020533839 = 3889519551
BaseRepresentation
bin111100001101110…
…1110011001001111
312012210222202100122
41320123232121033
513114224040324
6532255015155
7101033153132
oct17033563117
95183882318
102020533839
119475a1a85
1248480a4bb
132627b676c
141524c2219
15bc5bba5e
hex786ee64f

2020533839 has 4 divisors (see below), whose sum is σ = 2021057280. Its totient is φ = 2020010400.

The previous prime is 2020533829. The next prime is 2020533847. The reversal of 2020533839 is 9383350202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020533839 - 212 = 2020529743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020533799 and 2020533808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020533829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255887 + ... + 263664.

It is an arithmetic number, because the mean of its divisors is an integer number (505264320).

Almost surely, 22020533839 is an apocalyptic number.

2020533839 is a deficient number, since it is larger than the sum of its proper divisors (523441).

2020533839 is an equidigital number, since it uses as much as digits as its factorization.

2020533839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523440.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2020533839 is about 44950.3485970910. The cubic root of 2020533839 is about 1264.2182130656.

The spelling of 2020533839 in words is "two billion, twenty million, five hundred thirty-three thousand, eight hundred thirty-nine".

Divisors: 1 3889 519551 2020533839