Search a number
-
+
22020113213 = 719203981199
BaseRepresentation
bin10100100000100000…
…000100001100111101
32002211121201122121122
4110200200010030331
5330044122110323
614041011240325
71406451605540
oct244040041475
962747648548
1022020113213
11937a863a7a
1243265a90a5
1320cc074ab7
1410cc6d8857
1588d2a2ec8
hex52080433d

22020113213 has 16 divisors (see below), whose sum is σ = 26503680000. Its totient is φ = 17872004592.

The previous prime is 22020113201. The next prime is 22020113237. The reversal of 22020113213 is 31231102022.

It is a cyclic number.

It is not a de Polignac number, because 22020113213 - 224 = 22003335997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22020113191 and 22020113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020113273) 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, 230588 + ... + 311786.

It is an arithmetic number, because the mean of its divisors is an integer number (1656480000).

Almost surely, 222020113213 is an apocalyptic number.

It is an amenable number.

22020113213 is a deficient number, since it is larger than the sum of its proper divisors (4483566787).

22020113213 is a wasteful number, since it uses less digits than its factorization.

22020113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83264.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22020113213 its reverse (31231102022), we get a palindrome (53251215235).

The spelling of 22020113213 in words is "twenty-two billion, twenty million, one hundred thirteen thousand, two hundred thirteen".

Divisors: 1 7 19 133 2039 14273 38741 81199 271187 568393 1542781 10799467 165564761 1158953327 3145730459 22020113213