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20441021202 = 232737014723
BaseRepresentation
bin10011000010011000…
…010011101100010010
31221202120101110121100
4103002120103230102
5313330400134302
613220202005230
71322355546000
oct230230235422
957676343540
1020441021202
11873a472858
123b657a6816
131c09b7c824
14dbcac7a70
157e9833d1c
hex4c2613b12

20441021202 has 96 divisors (see below), whose sum is σ = 51733468800. Its totient is φ = 5830725600.

The previous prime is 20441021189. The next prime is 20441021203. The reversal of 20441021202 is 20212014402.

20441021202 is a `hidden beast` number, since 2 + 0 + 441 + 0 + 21 + 202 = 666.

It is a super-2 number, since 2×204410212022 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20441021203) 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, 4325613 + ... + 4330335.

It is an arithmetic number, because the mean of its divisors is an integer number (538890300).

Almost surely, 220441021202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20441021202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25866734400).

20441021202 is an abundant number, since it is smaller than the sum of its proper divisors (31292447598).

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

20441021202 is a wasteful number, since it uses less digits than its factorization.

20441021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20441021202 its reverse (20212014402), we get a palindrome (40653035604).

The spelling of 20441021202 in words is "twenty billion, four hundred forty-one million, twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 343 441 686 701 882 1029 1402 2058 2103 3087 4206 4723 4907 6174 6309 9446 9814 12618 14169 14721 28338 29442 33061 34349 42507 44163 66122 68698 85014 88326 99183 103047 198366 206094 231427 240443 297549 309141 462854 480886 595098 618282 694281 721329 1388562 1442658 1619989 2082843 2163987 3239978 3310823 4165686 4327974 4859967 6621646 9719934 9932469 14579901 19864938 23175761 29159802 29797407 46351522 59594814 69527283 139054566 162230327 208581849 324460654 417163698 486690981 973381962 1135612289 1460072943 2271224578 2920145886 3406836867 6813673734 10220510601 20441021202