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20110000002 = 2330710917481
BaseRepresentation
bin10010101110101001…
…100011111110000010
31220220111111211212220
4102232221203332002
5312141130000002
613123255031510
71311226115421
oct225651437602
956814454786
1020110000002
11858a630714
123a9296b596
131b8640ccb1
14d8ab5b2b8
157ca7487bc
hex4aea63f82

20110000002 has 16 divisors (see below), whose sum is σ = 40351013472. Its totient is φ = 6681497760.

The previous prime is 20109999989. The next prime is 20110000003. The reversal of 20110000002 is 20000001102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (20110000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456899 + ... + 5460582.

It is an arithmetic number, because the mean of its divisors is an integer number (2521938342).

Almost surely, 220110000002 is an apocalyptic number.

20110000002 is an abundant number, since it is smaller than the sum of its proper divisors (20241013470).

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

20110000002 is a wasteful number, since it uses less digits than its factorization.

20110000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917793.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20110000002 its reverse (20000001102), we get a palindrome (40110001104).

The spelling of 20110000002 in words is "twenty billion, one hundred ten million, two", and thus it is an aban number.

Divisors: 1 2 3 6 307 614 921 1842 10917481 21834962 32752443 65504886 3351666667 6703333334 10055000001 20110000002