Search a number
-
+
20243020133 = 729337295903
BaseRepresentation
bin10010110110100100…
…111111100101100101
31221020202210222012102
4102312210333211211
5312424203121013
613144410101445
71314432555260
oct226644774545
957222728172
1020243020133
118648725706
123b0b41a885
131ba7b4532b
14da06a5cd7
157d7271d58
hex4b693f965

20243020133 has 16 divisors (see below), whose sum is σ = 24003732480. Its totient is φ = 16703076096.

The previous prime is 20243020097. The next prime is 20243020141. The reversal of 20243020133 is 33102034202.

It is not a de Polignac number, because 20243020133 - 26 = 20243020069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243020163) 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, 79541 + ... + 216362.

It is an arithmetic number, because the mean of its divisors is an integer number (1500233280).

Almost surely, 220243020133 is an apocalyptic number.

It is an amenable number.

20243020133 is a deficient number, since it is larger than the sum of its proper divisors (3760712347).

20243020133 is a wasteful number, since it uses less digits than its factorization.

20243020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296276.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20243020133 its reverse (33102034202), we get a palindrome (53345054335).

The spelling of 20243020133 in words is "twenty billion, two hundred forty-three million, twenty thousand, one hundred thirty-three".

Divisors: 1 7 29 203 337 2359 9773 68411 295903 2071321 8581187 60068309 99719311 698035177 2891860019 20243020133