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20302103001 = 317398080451
BaseRepresentation
bin10010111010000110…
…011000000111011001
31221101212222200122210
4102322012120013121
5313034314244001
613154320305333
71316051012445
oct227206300731
957355880583
1020302103001
11867900a524
123b27172249
131bb71609cb
14da8485825
157dc542dd6
hex4ba1981d9

20302103001 has 8 divisors (see below), whose sum is σ = 28661792544. Its totient is φ = 12738574400.

The previous prime is 20302102969. The next prime is 20302103011. The reversal of 20302103001 is 10030120302.

It is a happy number.

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 20302103001 - 25 = 20302102969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20302103011) 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, 199040175 + ... + 199040276.

It is an arithmetic number, because the mean of its divisors is an integer number (3582724068).

Almost surely, 220302103001 is an apocalyptic number.

It is an amenable number.

20302103001 is a deficient number, since it is larger than the sum of its proper divisors (8359689543).

20302103001 is a wasteful number, since it uses less digits than its factorization.

20302103001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398080471.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20302103001 its reverse (10030120302), we get a palindrome (30332223303).

The spelling of 20302103001 in words is "twenty billion, three hundred two million, one hundred three thousand, one".

Divisors: 1 3 17 51 398080451 1194241353 6767367667 20302103001