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2020621614 = 2311194139301
BaseRepresentation
bin111100001110000…
…0011110100101110
312012211011012202120
41320130003310232
513114234342424
6532300533410
7101034000054
oct17034036456
95184135676
102020621614
11947651a20
12484851266
132628176bb
141525061d4
15bc5d7a79
hex78703d2e

2020621614 has 64 divisors (see below), whose sum is σ = 4753969920. Its totient is φ = 565920000.

The previous prime is 2020621613. The next prime is 2020621639. The reversal of 2020621614 is 4161260202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020621613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31764 + ... + 71064.

It is an arithmetic number, because the mean of its divisors is an integer number (74280780).

Almost surely, 22020621614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020621614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376984960).

2020621614 is an abundant number, since it is smaller than the sum of its proper divisors (2733348306).

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

2020621614 is a wasteful number, since it uses less digits than its factorization.

2020621614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39377.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2020621614 is about 44951.3249415409. The cubic root of 2020621614 is about 1264.2365193080.

Adding to 2020621614 its reverse (4161260202), we get a palindrome (6181881816).

The spelling of 2020621614 in words is "two billion, twenty million, six hundred twenty-one thousand, six hundred fourteen".

Divisors: 1 2 3 6 11 19 22 33 38 41 57 66 82 114 123 209 246 418 451 627 779 902 1254 1353 1558 2337 2706 4674 8569 17138 25707 39301 51414 78602 117903 235806 432311 746719 864622 1296933 1493438 1611341 2240157 2593866 3222682 4480314 4834023 8213909 9668046 16427818 17724751 24641727 30615479 35449502 49283454 53174253 61230958 91846437 106348506 183692874 336770269 673540538 1010310807 2020621614