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20100022001 = 591733196583
BaseRepresentation
bin10010101110000011…
…011111111011110001
31220212210201220122022
4102232003133323301
5312131101201001
613122301121225
71311045240143
oct225603377361
956783656568
1020100022001
118584a36034
123a8b559215
131b84328457
14d896c0c93
157c992711b
hex4ae0dfef1

20100022001 has 8 divisors (see below), whose sum is σ = 20452599360. Its totient is φ = 19747841392.

The previous prime is 20100021983. The next prime is 20100022009. The reversal of 20100022001 is 10022000102.

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

It is a cyclic number.

It is not a de Polignac number, because 20100022001 - 226 = 20032913137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20100022001.

It is not an unprimeable number, because it can be changed into a prime (20100022009) 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, 3956 + ... + 200538.

It is an arithmetic number, because the mean of its divisors is an integer number (2556574920).

Almost surely, 220100022001 is an apocalyptic number.

It is an amenable number.

20100022001 is a deficient number, since it is larger than the sum of its proper divisors (352577359).

20100022001 is a wasteful number, since it uses less digits than its factorization.

20100022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198375.

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

Adding to 20100022001 its reverse (10022000102), we get a palindrome (30122022103).

The spelling of 20100022001 in words is "twenty billion, one hundred million, twenty-two thousand, one".

Divisors: 1 59 1733 102247 196583 11598397 340678339 20100022001