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202010201121220 = 225291273312735339
BaseRepresentation
bin101101111011101000101010…
…010001110110000111000100
3222111020222122020200120002221
4231323220222101312013010
5202434213342441334340
61553350112155542124
760356520050032012
oct5573505221660704
9874228566616087
10202010201121220
1159404055157528
121a7a6b1b75a944
13889463209b14b
1437c54bb22b8b2
151854b3790644a
hexb7ba2a4761c4

202010201121220 has 48 divisors (see below), whose sum is σ = 438853354228800. Its totient is φ = 78017091608960.

The previous prime is 202010201121199. The next prime is 202010201121263. The reversal of 202010201121220 is 22121102010202.

It is a happy number.

202010201121220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202010201121194 and 202010201121203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72484311 + ... + 75219649.

It is an arithmetic number, because the mean of its divisors is an integer number (9142778213100).

Almost surely, 2202010201121220 is an apocalyptic number.

202010201121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202010201121220 is an abundant number, since it is smaller than the sum of its proper divisors (236843153107580).

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

202010201121220 is a wasteful number, since it uses less digits than its factorization.

202010201121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862708 (or 2862706 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202010201121220 its reverse (22121102010202), we get a palindrome (224131303131422).

The spelling of 202010201121220 in words is "two hundred two trillion, ten billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 127331 254662 509324 636655 1273310 2546620 2735339 3692599 5470678 7385198 10941356 13676695 14770396 18462995 27353390 36925990 54706780 73851980 79324831 158649662 317299324 396624155 793248310 1586496620 348293450209 696586900418 1393173800836 1741467251045 3482934502090 6965869004180 10100510056061 20201020112122 40402040224244 50502550280305 101005100560610 202010201121220