Search a number
-
+
20000222232 = 2331652950417
BaseRepresentation
bin10010101000000110…
…110010110000011000
31220121211221120002120
4102220012302300120
5311430024102412
613104334101240
71305424040544
oct225006626030
956554846076
1020000222232
118533670a91
123a6204a820
131b69754b33
14d7a342a24
157c0cb1b8c
hex4a81b2c18

20000222232 has 32 divisors (see below), whose sum is σ = 50004572400. Its totient is φ = 6666205184.

The previous prime is 20000222227. The next prime is 20000222293. The reversal of 20000222232 is 23222200002.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 371488 + ... + 421904.

Almost surely, 220000222232 is an apocalyptic number.

It is an amenable number.

20000222232 is an abundant number, since it is smaller than the sum of its proper divisors (30004350168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000222232 is a wasteful number, since it uses less digits than its factorization.

20000222232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66955 (or 66951 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20000222232 its reverse (23222200002), we get a palindrome (43222422234).

The spelling of 20000222232 in words is "twenty billion, two hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 16529 33058 49587 50417 66116 99174 100834 132232 151251 198348 201668 302502 396696 403336 605004 1210008 833342593 1666685186 2500027779 3333370372 5000055558 6666740744 10000111116 20000222232