Search a number
-
+
20023330012 = 2272102159847
BaseRepresentation
bin10010101001011110…
…111100010011011100
31220200110102120000021
4102221132330103130
5312001433030022
613110521241524
71306124332300
oct225136742334
956613376007
1020023330012
118545714224
123a699332a4
131b7148598a
14d7d439d00
157c2d287c7
hex4a97bc4dc

20023330012 has 18 divisors (see below), whose sum is σ = 40761779352. Its totient is φ = 8581427064.

The previous prime is 20023330009. The next prime is 20023330013. The reversal of 20023330012 is 21003332002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023330013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51079728 + ... + 51080119.

Almost surely, 220023330012 is an apocalyptic number.

It is an amenable number.

20023330012 is an abundant number, since it is smaller than the sum of its proper divisors (20738449340).

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

20023330012 is a wasteful number, since it uses less digits than its factorization.

20023330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102159865 (or 102159856 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20023330012 its reverse (21003332002), we get a palindrome (41026662014).

The spelling of 20023330012 in words is "twenty billion, twenty-three million, three hundred thirty thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 102159847 204319694 408639388 715118929 1430237858 2860475716 5005832503 10011665006 20023330012