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2020820002 = 23143757997
BaseRepresentation
bin111100001110011…
…0100010000100010
312012211112021220021
41320130310100202
513114312220002
6532305104054
7101035454335
oct17034642042
95184467807
102020820002
11947777a83
1248492802a
13262886aa6
1415255861c
15bc626737
hex78734422

2020820002 has 16 divisors (see below), whose sum is σ = 3201783552. Its totient is φ = 955074960.

The previous prime is 2020819967. The next prime is 2020820003. The reversal of 2020820002 is 2000280202.

It is not an unprimeable number, because it can be changed into a prime (2020820003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376333 + ... + 381664.

It is an arithmetic number, because the mean of its divisors is an integer number (200111472).

Almost surely, 22020820002 is an apocalyptic number.

2020820002 is a deficient number, since it is larger than the sum of its proper divisors (1180963550).

2020820002 is a wasteful number, since it uses less digits than its factorization.

2020820002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758073.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2020820002 is about 44953.5315854049. The cubic root of 2020820002 is about 1264.2778929040.

The spelling of 2020820002 in words is "two billion, twenty million, eight hundred twenty thousand, two".

Divisors: 1 2 31 43 62 86 1333 2666 757997 1515994 23497907 32593871 46995814 65187742 1010410001 2020820002