Search a number
-
+
20001301233 = 337409440567
BaseRepresentation
bin10010101000001010…
…111010001011110001
31220121220222101012120
4102220022322023301
5311430313114413
613104413144453
71305436153404
oct225012721361
956556871176
1020001301233
118534238721
123a6248b129
131b69a41cb4
14d7a543d3b
157c0e26723
hex4a82ba2f1

20001301233 has 16 divisors (see below), whose sum is σ = 27456197760. Its totient is φ = 12942066816.

The previous prime is 20001301231. The next prime is 20001301237. The reversal of 20001301233 is 33210310002.

It is not a de Polignac number, because 20001301233 - 21 = 20001301231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001301231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174885 + ... + 265682.

It is an arithmetic number, because the mean of its divisors is an integer number (1716012360).

Almost surely, 220001301233 is an apocalyptic number.

It is an amenable number.

20001301233 is a deficient number, since it is larger than the sum of its proper divisors (7454896527).

20001301233 is a wasteful number, since it uses less digits than its factorization.

20001301233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441016.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20001301233 its reverse (33210310002), we get a palindrome (53211611235).

The spelling of 20001301233 in words is "twenty billion, one million, three hundred one thousand, two hundred thirty-three".

Divisors: 1 3 37 111 409 1227 15133 45399 440567 1321701 16300979 48902937 180191903 540575709 6667100411 20001301233