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20202210101020 = 2251723495192059
BaseRepresentation
bin1001001011111101100011…
…00011101000011100011100
32122112022102202102221210111
410211332301203220130130
510121443111241213040
6110544433414215404
74153363412355043
oct445766143503434
978468382387714
1020202210101020
116489788a27902
1223233a7354564
13b370a246009c
144dbb13a8955a
1525078c36edea
hex125fb18e871c

20202210101020 has 36 divisors (see below), whose sum is σ = 45067006421640. Its totient is φ = 7605537918208.

The previous prime is 20202210100991. The next prime is 20202210101057. The reversal of 20202210101020 is 2010101220202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1747590250 + ... + 1747601809.

It is an arithmetic number, because the mean of its divisors is an integer number (1251861289490).

Almost surely, 220202210101020 is an apocalyptic number.

20202210101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202210101020 is an abundant number, since it is smaller than the sum of its proper divisors (24864796320620).

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

20202210101020 is a wasteful number, since it uses less digits than its factorization.

20202210101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495192102 (or 3495192083 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20202210101020 its reverse (2010101220202), we get a palindrome (22212311321222).

The spelling of 20202210101020 in words is "twenty trillion, two hundred two billion, two hundred ten million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 289 340 578 1156 1445 2890 5780 3495192059 6990384118 13980768236 17475960295 34951920590 59418265003 69903841180 118836530006 237673060012 297091325015 594182650030 1010110505051 1188365300060 2020221010102 4040442020204 5050552525255 10101105050510 20202210101020