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20210132223 = 3223611938293
BaseRepresentation
bin10010110100100111…
…100010010011111111
31221011110221002110200
4102310213202103333
5312342243212343
613141233134543
71313553201201
oct226447422377
957143832420
1020210132223
118631102516
123b003ba453
131ba109ba28
14d9a184771
157d44274d3
hex4b49e24ff

20210132223 has 48 divisors (see below), whose sum is σ = 31125192384. Its totient is φ = 12609146880.

The previous prime is 20210132203. The next prime is 20210132231. The reversal of 20210132223 is 32223101202.

It is a de Polignac number, because none of the positive numbers 2k-20210132223 is a prime.

It is a super-2 number, since 2×202101322232 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20210132196 and 20210132205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210132203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2432865 + ... + 2441157.

It is an arithmetic number, because the mean of its divisors is an integer number (648441508).

Almost surely, 220210132223 is an apocalyptic number.

20210132223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20210132223 is a deficient number, since it is larger than the sum of its proper divisors (10915060161).

20210132223 is a wasteful number, since it uses less digits than its factorization.

20210132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8576 (or 8573 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20210132223 its reverse (32223101202), we get a palindrome (52433233425).

The spelling of 20210132223 in words is "twenty billion, two hundred ten million, one hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 3 9 23 61 69 183 193 207 549 579 1403 1737 4209 4439 8293 11773 12627 13317 24879 35319 39951 74637 105957 190739 270779 505873 572217 812337 1517619 1600549 1716651 2437011 4552857 4801647 11635079 14404941 34905237 36812627 97633489 104715711 110437881 292900467 331313643 878701401 2245570247 6736710741 20210132223