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601222020 = 223571937417
BaseRepresentation
bin100011110101011…
…110101110000100
31112220022020120020
4203311132232010
52212403101040
6135354135140
720620205610
oct4365365604
91486266506
10601222020
11289413003
121494214b0
1397735b99
1459bc4340
1537baecd0
hex23d5eb84

601222020 has 96 divisors (see below), whose sum is σ = 1934139648. Its totient is φ = 136691712.

The previous prime is 601222019. The next prime is 601222031. The reversal of 601222020 is 20222106.

It is a super-2 number, since 2×6012220202 = 722935834665760800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77352 + ... + 84768.

It is an arithmetic number, because the mean of its divisors is an integer number (20147288).

Almost surely, 2601222020 is an apocalyptic number.

601222020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967069824).

601222020 is an abundant number, since it is smaller than the sum of its proper divisors (1332917628).

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

601222020 is a wasteful number, since it uses less digits than its factorization.

601222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629 (or 7627 counting only the distinct ones).

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

The square root of 601222020 is about 24519.8291184910. The cubic root of 601222020 is about 844.0048834350.

Adding to 601222020 its reverse (20222106), we get a palindrome (621444126).

The spelling of 601222020 in words is "six hundred one million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 193 210 386 420 579 772 965 1158 1351 1930 2316 2702 2895 3860 4053 5404 5790 6755 7417 8106 11580 13510 14834 16212 20265 22251 27020 29668 37085 40530 44502 51919 74170 81060 89004 103838 111255 148340 155757 207676 222510 259595 311514 445020 519190 623028 778785 1038380 1431481 1557570 2862962 3115140 4294443 5725924 7157405 8588886 10020367 14314810 17177772 20040734 21472215 28629620 30061101 40081468 42944430 50101835 60122202 85888860 100203670 120244404 150305505 200407340 300611010 601222020