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2205020 = 225110251
BaseRepresentation
bin1000011010010101011100
311011000201102
420122111130
51031030040
6115132232
724512426
oct10322534
94130642
102205020
111276734
128a4078
135c285c
14415816
152d8515
hex21a55c

2205020 has 12 divisors (see below), whose sum is σ = 4630584. Its totient is φ = 882000.

The previous prime is 2205017. The next prime is 2205023. The reversal of 2205020 is 205022.

It is an interprime number because it is at equal distance from previous prime (2205017) and next prime (2205023).

It is a super-2 number, since 2×22050202 = 9724226400800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2204992 and 2205010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55106 + ... + 55145.

It is an arithmetic number, because the mean of its divisors is an integer number (385882).

22205020 is an apocalyptic number.

2205020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205020 is an abundant number, since it is smaller than the sum of its proper divisors (2425564).

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

2205020 is a wasteful number, since it uses less digits than its factorization.

2205020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110260 (or 110258 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 2205020 is about 1484.9309748268. The cubic root of 2205020 is about 130.1579933120.

The spelling of 2205020 in words is "two million, two hundred five thousand, twenty".

Divisors: 1 2 4 5 10 20 110251 220502 441004 551255 1102510 2205020