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220324024221 = 3779973493923
BaseRepresentation
bin1100110100110001010…
…1011100111110011101
3210001200202112002102020
43031030111130332131
512102210422233341
6245114312250353
721626556206640
oct3151425347635
9701622462366
10220324024221
1185491193434
123684a0a09b9
1317a12b86902
14a941431a57
155ae7897566
hex334c55cf9d

220324024221 has 64 divisors (see below), whose sum is σ = 344558592000. Its totient is φ = 122640500736.

The previous prime is 220324024171. The next prime is 220324024237. The reversal of 220324024221 is 122420423022.

It is not a de Polignac number, because 220324024221 - 27 = 220324024093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220324024191 and 220324024200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220324024421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56160166 + ... + 56164088.

It is an arithmetic number, because the mean of its divisors is an integer number (5383728000).

Almost surely, 2220324024221 is an apocalyptic number.

220324024221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220324024221 is a deficient number, since it is larger than the sum of its proper divisors (124234567779).

220324024221 is a wasteful number, since it uses less digits than its factorization.

220324024221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 220324024221 its reverse (122420423022), we get a palindrome (342744447243).

The spelling of 220324024221 in words is "two hundred twenty billion, three hundred twenty-four million, twenty-four thousand, two hundred twenty-one".

Divisors: 1 3 7 21 79 97 237 291 349 553 679 1047 1659 2037 2443 3923 7329 7663 11769 22989 27461 27571 33853 53641 82383 82713 101559 160923 192997 236971 309917 380531 578991 710913 929751 1141593 1369127 2169419 2663717 2674387 4107381 6508257 7991151 8023161 9583889 18720709 28751667 30061949 56162127 90185847 108161033 132805319 210433643 324483099 398415957 631300929 757127231 929637233 2271381693 2788911699 10491620201 31474860603 73441341407 220324024221