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220101012202020 = 223537382325933717
BaseRepresentation
bin110010000010111001000010…
…101001011010001000100100
31001212022110011222101002121120
4302002321002221122020210
5212322113333110431040
62100041001545413540
764234526160026265
oct6202710251321044
91055273158332546
10220101012202020
1164149351403884
122082907379a2b0
1395a75899a2451
143c4cd3550896c
151a6a4ebe517d0
hexc82e42a5a224

220101012202020 has 96 divisors (see below), whose sum is σ = 633104712242688. Its totient is φ = 57092349629952.

The previous prime is 220101012202013. The next prime is 220101012202051. The reversal of 220101012202020 is 20202210101022.

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, 4479799 + ... + 21453918.

It is an arithmetic number, because the mean of its divisors is an integer number (6594840752528).

Almost surely, 2220101012202020 is an apocalyptic number.

220101012202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220101012202020 is an abundant number, since it is smaller than the sum of its proper divisors (413003700040668).

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

220101012202020 is a wasteful number, since it uses less digits than its factorization.

220101012202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25937589 (or 25937587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220101012202020 its reverse (20202210101022), we get a palindrome (240303222303042).

The spelling of 220101012202020 in words is "two hundred twenty trillion, one hundred one billion, twelve million, two hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 3823 7646 11469 15292 19115 22938 38230 45876 57345 76460 114690 141451 229380 282902 424353 565804 707255 848706 1414510 1697412 2121765 2829020 4243530 8487060 25933717 51867434 77801151 103734868 129668585 155602302 259337170 311204604 389005755 518674340 778011510 959547529 1556023020 1919095058 2878642587 3838190116 4797737645 5757285174 9595475290 11514570348 14393212935 19190950580 28786425870 57572851740 99144600091 198289200182 297433800273 396578400364 495723000455 594867600546 991446000910 1189735201092 1487169001365 1982892001820 2974338002730 3668350203367 5948676005460 7336700406734 11005050610101 14673400813468 18341751016835 22010101220202 36683502033670 44020202440404 55025253050505 73367004067340 110050506101010 220101012202020