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2080022240 = 25513000139
BaseRepresentation
bin111101111111010…
…1001111011100000
312100221221002002202
41323332221323200
513224441202430
6542222032332
7102354616532
oct17376517340
95327832082
102080022240
1197813354a
124a07186a8
13271c148ba
1415a369852
15c291cd45
hex7bfa9ee0

2080022240 has 24 divisors (see below), whose sum is σ = 4914052920. Its totient is φ = 832008832.

The previous prime is 2080022183. The next prime is 2080022249. The reversal of 2080022240 is 422200802.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080022249) 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, 6499910 + ... + 6500229.

It is an arithmetic number, because the mean of its divisors is an integer number (204752205).

Almost surely, 22080022240 is an apocalyptic number.

2080022240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2080022240 is an abundant number, since it is smaller than the sum of its proper divisors (2834030680).

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

2080022240 is a wasteful number, since it uses less digits than its factorization.

2080022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000154 (or 13000146 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2080022240 is about 45607.2608254431. The cubic root of 2080022240 is about 1276.5054093358.

The spelling of 2080022240 in words is "two billion, eighty million, twenty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 13000139 26000278 52000556 65000695 104001112 130001390 208002224 260002780 416004448 520005560 1040011120 2080022240