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2205087020 = 225157170181
BaseRepresentation
bin1000001101101110…
…1111010100101100
312200200021000201122
42003123233110230
514004000241040
61002450400112
7105433634063
oct20333572454
95620230648
102205087020
11a31794574
12516590038
13291ac2c26
1416cc031da
15cd8c41b5
hex836ef52c

2205087020 has 24 divisors (see below), whose sum is σ = 4633696368. Its totient is φ = 881460800.

The previous prime is 2205087019. The next prime is 2205087023. The reversal of 2205087020 is 207805022.

It is not an unprimeable number, because it can be changed into a prime (2205087023) by changing a digit.

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, 3671 + ... + 66510.

It is an arithmetic number, because the mean of its divisors is an integer number (193070682).

Almost surely, 22205087020 is an apocalyptic number.

2205087020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205087020 is an abundant number, since it is smaller than the sum of its proper divisors (2428609348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205087020 is a wasteful number, since it uses less digits than its factorization.

2205087020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71761 (or 71759 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2205087020 is about 46958.3541023320. The cubic root of 2205087020 is about 1301.5931198494.

The spelling of 2205087020 in words is "two billion, two hundred five million, eighty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 1571 3142 6284 7855 15710 31420 70181 140362 280724 350905 701810 1403620 110254351 220508702 441017404 551271755 1102543510 2205087020