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2220020984 = 23893118007
BaseRepresentation
bin1000010001010010…
…1101010011111000
312201201100202021102
42010110231103320
514021311132414
61004142430532
7106004603246
oct20424552370
95651322242
102220020984
11a3a164695
1251b592448
13294c214ac
14170bad796
15ced73ede
hex8452d4f8

2220020984 has 16 divisors (see below), whose sum is σ = 4209310800. Its totient is φ = 1097538112.

The previous prime is 2220020981. The next prime is 2220020987. The reversal of 2220020984 is 4890200222.

It is an interprime number because it is at equal distance from previous prime (2220020981) and next prime (2220020987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220020981) 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, 1558292 + ... + 1559715.

It is an arithmetic number, because the mean of its divisors is an integer number (263081925).

Almost surely, 22220020984 is an apocalyptic number.

It is an amenable number.

2220020984 is a deficient number, since it is larger than the sum of its proper divisors (1989289816).

2220020984 is a wasteful number, since it uses less digits than its factorization.

2220020984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118102 (or 3118098 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2220020984 is about 47117.0986373312. The cubic root of 2220020984 is about 1304.5248602272.

The spelling of 2220020984 in words is "two billion, two hundred twenty million, twenty thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 89 178 356 712 3118007 6236014 12472028 24944056 277502623 555005246 1110010492 2220020984