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2020240005 = 35740147981
BaseRepresentation
bin111100001101010…
…0110101010000101
312012210102211021220
41320122212222011
513114140140010
6532244430553
7101030520360
oct17032465205
95183384256
102020240005
11947411243
124846a8459
13262712ab4
141524470d7
15bc55e970
hex786a6a85

2020240005 has 32 divisors (see below), whose sum is σ = 3703442688. Its totient is φ = 921216000.

The previous prime is 2020239973. The next prime is 2020240051. The reversal of 2020240005 is 5000420202.

It is not a de Polignac number, because 2020240005 - 25 = 2020239973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18115 + ... + 66095.

It is an arithmetic number, because the mean of its divisors is an integer number (115732584).

Almost surely, 22020240005 is an apocalyptic number.

It is an amenable number.

2020240005 is a deficient number, since it is larger than the sum of its proper divisors (1683202683).

2020240005 is a wasteful number, since it uses less digits than its factorization.

2020240005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48397.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2020240005 is about 44947.0800497652. The cubic root of 2020240005 is about 1264.1569275618.

Adding to 2020240005 its reverse (5000420202), we get a palindrome (7020660207).

The spelling of 2020240005 in words is "two billion, twenty million, two hundred forty thousand, five".

Divisors: 1 3 5 7 15 21 35 105 401 1203 2005 2807 6015 8421 14035 42105 47981 143943 239905 335867 719715 1007601 1679335 5038005 19240381 57721143 96201905 134682667 288605715 404048001 673413335 2020240005