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20223221223030 = 2357219724068071
BaseRepresentation
bin1001001100100100101011…
…11010101100111001110110
32122121022200001120112200120
410212102111322230321312
510122314124113114110
6111002230343352410
74155036163064400
oct446222572547166
978538601515616
1020223221223030
116497690186851
12232748ba52706
13b3907046a367
144dcb48375b70
152510bbc67870
hex126495eace76

20223221223030 has 96 divisors (see below), whose sum is σ = 59431507349760. Its totient is φ = 4379163687360.

The previous prime is 20223221222989. The next prime is 20223221223041. The reversal of 20223221223030 is 3032212232202.

It is a super-2 number, since 2×202232212230302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 362006106 + ... + 362061965.

It is an arithmetic number, because the mean of its divisors is an integer number (619078201560).

Almost surely, 220223221223030 is an apocalyptic number.

20223221223030 is an abundant number, since it is smaller than the sum of its proper divisors (39208286126730).

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

20223221223030 is a wasteful number, since it uses less digits than its factorization.

20223221223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724068114 (or 724068107 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20223221223030 its reverse (3032212232202), we get a palindrome (23255433455232).

The spelling of 20223221223030 in words is "twenty trillion, two hundred twenty-three billion, two hundred twenty-one million, two hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 49 57 70 95 98 105 114 133 147 190 210 245 266 285 294 399 490 570 665 735 798 931 1330 1470 1862 1995 2793 3990 4655 5586 9310 13965 27930 724068071 1448136142 2172204213 3620340355 4344408426 5068476497 7240680710 10136952994 10861021065 13757293349 15205429491 21722042130 25342382485 27514586698 30410858982 35479335479 41271880047 50684764970 68786466745 70958670958 76027147455 82543760094 96301053443 106438006437 137572933490 152054294910 177396677395 192602106886 206359400235 212876012874 288903160329 354793354790 412718800470 481505267215 532190032185 577806320658 674107374101 963010534430 1064380064370 1348214748202 1444515801645 2022322122303 2889031603290 3370536870505 4044644244606 6741073741010 10111610611515 20223221223030