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22020012213 = 3103924472887
BaseRepresentation
bin10100100000011111…
…101011100010110101
32002211121112112001220
4110200133223202311
5330044110342323
614041005140553
71406451005223
oct244037534265
962747475056
1022020012213
11937a7a5101
12432655a759
1320cc03ab34
1410cc6adb13
1588d2830e3
hex5207eb8b5

22020012213 has 16 divisors (see below), whose sum is σ = 29410467840. Its totient is φ = 14654807856.

The previous prime is 22020012199. The next prime is 22020012241. The reversal of 22020012213 is 31221002022.

It is a happy number.

It is not a de Polignac number, because 22020012213 - 24 = 22020012197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22020012192 and 22020012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020012283) 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, 7625856 + ... + 7628742.

It is an arithmetic number, because the mean of its divisors is an integer number (1838154240).

Almost surely, 222020012213 is an apocalyptic number.

It is an amenable number.

22020012213 is a deficient number, since it is larger than the sum of its proper divisors (7390455627).

22020012213 is a wasteful number, since it uses less digits than its factorization.

22020012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22020012213 its reverse (31221002022), we get a palindrome (53241014235).

The spelling of 22020012213 in words is "twenty-two billion, twenty million, twelve thousand, two hundred thirteen".

Divisors: 1 3 1039 2447 2887 3117 7341 8661 2542433 2999593 7064489 7627299 8998779 21193467 7340004071 22020012213