Search a number
-
+
22013203340 = 2251100660167
BaseRepresentation
bin10100100000000101…
…101101001110001100
32002211010201121001102
4110200011231032030
5330040340001330
614040203202232
71406336066252
oct244005551614
962733647042
1022013203340
119376974537
124324216378
1320ca7c590b
1410cb81a5d2
1588c88a945
hex52016d38c

22013203340 has 12 divisors (see below), whose sum is σ = 46227727056. Its totient is φ = 8805281328.

The previous prime is 22013203339. The next prime is 22013203349. The reversal of 22013203340 is 4330231022.

It is a super-2 number, since 2×220132033402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1100660167 = 22013203340 / (2 + 2 + 0 + 1 + 3 + 2 + 0 + 3 + 3 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (22013203349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550330064 + ... + 550330103.

It is an arithmetic number, because the mean of its divisors is an integer number (3852310588).

Almost surely, 222013203340 is an apocalyptic number.

22013203340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013203340 is an abundant number, since it is smaller than the sum of its proper divisors (24214523716).

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

22013203340 is a wasteful number, since it uses less digits than its factorization.

22013203340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100660176 (or 1100660174 counting only the distinct ones).

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

Adding to 22013203340 its reverse (4330231022), we get a palindrome (26343434362).

The spelling of 22013203340 in words is "twenty-two billion, thirteen million, two hundred three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1100660167 2201320334 4402640668 5503300835 11006601670 22013203340