Search a number
-
+
22003213020 = 2235366720217
BaseRepresentation
bin10100011111011111…
…100110001011011100
32002210102221000220120
4110133133212023130
5330030310304040
614035205114540
71406155140045
oct243737461334
962712830816
1022003213020
119371270678
1243209b8a50
1320c8708599
1410ca3798cc
1588ba657d0
hex51f7e62dc

22003213020 has 24 divisors (see below), whose sum is σ = 61608996624. Its totient is φ = 5867523456.

The previous prime is 22003212943. The next prime is 22003213027. The reversal of 22003213020 is 2031230022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003213027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183360049 + ... + 183360168.

It is an arithmetic number, because the mean of its divisors is an integer number (2567041526).

Almost surely, 222003213020 is an apocalyptic number.

22003213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22003213020 is an abundant number, since it is smaller than the sum of its proper divisors (39605783604).

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

22003213020 is a wasteful number, since it uses less digits than its factorization.

22003213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366720229 (or 366720227 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22003213020 its reverse (2031230022), we get a palindrome (24034443042).

The spelling of 22003213020 in words is "twenty-two billion, three million, two hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 366720217 733440434 1100160651 1466880868 1833601085 2200321302 3667202170 4400642604 5500803255 7334404340 11001606510 22003213020