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20301223201 = 72900174743
BaseRepresentation
bin10010111010000011…
…000001010100100001
31221101211022222210121
4102322003001110201
5313034103120301
613154245400241
71316040356440
oct227203012441
957354288717
1020301223201
118678569516
123b26a09081
131bb6c1340c
14da82d6d57
157dc41c3a1
hex4ba0c1521

20301223201 has 4 divisors (see below), whose sum is σ = 23201397952. Its totient is φ = 17401048452.

The previous prime is 20301223199. The next prime is 20301223213. The reversal of 20301223201 is 10232210302.

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 20301223201 - 21 = 20301223199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301253201) by changing a digit.

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, 1450087365 + ... + 1450087378.

It is an arithmetic number, because the mean of its divisors is an integer number (5800349488).

Almost surely, 220301223201 is an apocalyptic number.

It is an amenable number.

20301223201 is a deficient number, since it is larger than the sum of its proper divisors (2900174751).

20301223201 is an equidigital number, since it uses as much as digits as its factorization.

20301223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900174750.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20301223201 its reverse (10232210302), we get a palindrome (30533433503).

The spelling of 20301223201 in words is "twenty billion, three hundred one million, two hundred twenty-three thousand, two hundred one".

Divisors: 1 7 2900174743 20301223201