Search a number
-
+
20033020323 = 3210745612
BaseRepresentation
bin10010101010000011…
…111010000110100011
31220201010122212121200
4102222003322012203
5312011423122243
613111505052243
71306302602031
oct225203720643
956633585550
1020033020323
118550132748
123a71027083
131b734995a4
14d8083d551
157c3adead3
hex4aa0fa1a3

20033020323 has 18 divisors (see below), whose sum is σ = 29213425332. Its totient is φ = 13227629760.

The previous prime is 20033020283. The next prime is 20033020327. The reversal of 20033020323 is 32302033002.

It is not a de Polignac number, because 20033020323 - 217 = 20032889251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20033020296 and 20033020305.

It is not an unprimeable number, because it can be changed into a prime (20033020327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4389963 + ... + 4394523.

It is an arithmetic number, because the mean of its divisors is an integer number (1622968074).

Almost surely, 220033020323 is an apocalyptic number.

20033020323 is a deficient number, since it is larger than the sum of its proper divisors (9180405009).

20033020323 is an frugal number, since it uses more digits than its factorization.

20033020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235 (or 4671 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20033020323 its reverse (32302033002), we get a palindrome (52335053325).

The spelling of 20033020323 in words is "twenty billion, thirty-three million, twenty thousand, three hundred twenty-three".

Divisors: 1 3 9 107 321 963 4561 13683 41049 488027 1464081 4392243 20802721 62408163 187224489 2225891147 6677673441 20033020323