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20040000002 = 211910909091
BaseRepresentation
bin10010101010011110…
…100010001000000010
31220201121210110221022
4102222132202020002
5312020220000002
613112314425442
71306416121661
oct225236421002
956647713838
1020040000002
11855406a680
123a73432282
131b74a71489
14d81738dd8
157c451cba2
hex4aa7a2202

20040000002 has 8 divisors (see below), whose sum is σ = 32792727312. Its totient is φ = 9109090900.

The previous prime is 20039999957. The next prime is 20040000031. The reversal of 20040000002 is 20000004002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 455454524 + ... + 455454567.

It is an arithmetic number, because the mean of its divisors is an integer number (4099090914).

Almost surely, 220040000002 is an apocalyptic number.

20040000002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20040000002 is a deficient number, since it is larger than the sum of its proper divisors (12752727310).

20040000002 is a wasteful number, since it uses less digits than its factorization.

20040000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910909104.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20040000002 its reverse (20000004002), we get a palindrome (40040004004).

The spelling of 20040000002 in words is "twenty billion, forty million, two", and thus it is an aban number and an uban number.

Divisors: 1 2 11 22 910909091 1821818182 10020000001 20040000002