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20130222001 = 35275707463
BaseRepresentation
bin10010101111110110…
…101100111110110001
31220221220120020020211
4102233312230332301
5312211314101001
613125300304121
71311563030611
oct225766547661
956856506224
1020130222001
11859aa9280a
123a996a2041
131b8a670486
14d8d702a41
157cc3e0351
hex4afdacfb1

20130222001 has 4 divisors (see below), whose sum is σ = 20135932992. Its totient is φ = 20124511012.

The previous prime is 20130221983. The next prime is 20130222037. The reversal of 20130222001 is 10022203102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20130222001 - 219 = 20129697713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130222061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850205 + ... + 2857258.

It is an arithmetic number, because the mean of its divisors is an integer number (5033983248).

Almost surely, 220130222001 is an apocalyptic number.

It is an amenable number.

20130222001 is a deficient number, since it is larger than the sum of its proper divisors (5710991).

20130222001 is an equidigital number, since it uses as much as digits as its factorization.

20130222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710990.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20130222001 its reverse (10022203102), we get a palindrome (30152425103).

The spelling of 20130222001 in words is "twenty billion, one hundred thirty million, two hundred twenty-two thousand, one".

Divisors: 1 3527 5707463 20130222001