Search a number
-
+
20370247201 = 48746738951
BaseRepresentation
bin10010111110001010…
…010100111000100001
31221120122012202221001
4102332022110320201
5313204240402301
613205153032001
71320536146543
oct227612247041
957518182831
1020370247201
118703523247
123b45b55601
131bc82cc915
14db3543693
157e3503c01
hex4be294e21

20370247201 has 8 divisors (see below), whose sum is σ = 20418724224. Its totient is φ = 20321798400.

The previous prime is 20370247181. The next prime is 20370247237. The reversal of 20370247201 is 10274207302.

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 20370247201 - 215 = 20370214433 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 20370247201.

It is not an unprimeable number, because it can be changed into a prime (20370247241) 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, 2271276 + ... + 2280226.

It is an arithmetic number, because the mean of its divisors is an integer number (2552340528).

Almost surely, 220370247201 is an apocalyptic number.

It is an amenable number.

20370247201 is a deficient number, since it is larger than the sum of its proper divisors (48477023).

20370247201 is an equidigital number, since it uses as much as digits as its factorization.

20370247201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14111.

The product of its (nonzero) digits is 4704, while the sum is 28.

The spelling of 20370247201 in words is "twenty billion, three hundred seventy million, two hundred forty-seven thousand, two hundred one".

Divisors: 1 487 4673 8951 2275751 4359137 41828023 20370247201