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20154324201 = 311610737097
BaseRepresentation
bin10010110001010010…
…101001010011101001
31221000120220202020220
4102301102221103221
5312234001333301
613131521040253
71312304633454
oct226122512351
957016822226
1020154324201
118602655090
123aa5786089
131b9265bb2b
14d929b849b
157ce5a1936
hex4b14a94e9

20154324201 has 8 divisors (see below), whose sum is σ = 29315380704. Its totient is φ = 12214741920.

The previous prime is 20154324181. The next prime is 20154324227. The reversal of 20154324201 is 10242345102.

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

It is not a de Polignac number, because 20154324201 - 225 = 20120769769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20154324601) 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, 305368516 + ... + 305368581.

It is an arithmetic number, because the mean of its divisors is an integer number (3664422588).

Almost surely, 220154324201 is an apocalyptic number.

It is an amenable number.

20154324201 is a deficient number, since it is larger than the sum of its proper divisors (9161056503).

20154324201 is a wasteful number, since it uses less digits than its factorization.

20154324201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610737111.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20154324201 its reverse (10242345102), we get a palindrome (30396669303).

The spelling of 20154324201 in words is "twenty billion, one hundred fifty-four million, three hundred twenty-four thousand, two hundred one".

Divisors: 1 3 11 33 610737097 1832211291 6718108067 20154324201