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2220020002221 = 37271338966177
BaseRepresentation
bin100000010011100011100…
…000001110110110101101
321212020021000022000121020
4200103203200032312231
5242333100110032341
64415510233124353
7316251110444340
oct40234340166655
97766230260536
102220020002221
11786561462a6a
122ba3082596b9
131314684425b8
1479641782457
153cb33d1e566
hex204e380edad

2220020002221 has 16 divisors (see below), whose sum is σ = 3384134626944. Its totient is φ = 1268115231744.

The previous prime is 2220020002219. The next prime is 2220020002223. The reversal of 2220020002221 is 1222000200222.

It is an interprime number because it is at equal distance from previous prime (2220020002219) and next prime (2220020002223).

It is not a de Polignac number, because 2220020002221 - 21 = 2220020002219 is a prime.

It is a super-2 number, since 2×22200200022212 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220020002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220020002223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19426116 + ... + 19540061.

It is an arithmetic number, because the mean of its divisors is an integer number (211508414184).

Almost surely, 22220020002221 is an apocalyptic number.

2220020002221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2220020002221 is a deficient number, since it is larger than the sum of its proper divisors (1164114624723).

2220020002221 is a wasteful number, since it uses less digits than its factorization.

2220020002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38968900.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2220020002221 its reverse (1222000200222), we get a palindrome (3442020202443).

The spelling of 2220020002221 in words is "two trillion, two hundred twenty billion, twenty million, two thousand, two hundred twenty-one".

Divisors: 1 3 7 21 2713 8139 18991 56973 38966177 116898531 272763239 818289717 105715238201 317145714603 740006667407 2220020002221