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102020102202220 = 2259942975130263
BaseRepresentation
bin10111001100100101100111…
…111100111010001101101100
3111101020000201100000001120221
4113030211213330322031230
5101332444132130432340
61000551215443421124
730326465144431006
oct2714454774721554
9441200640001527
10102020102202220
112a563534042024
12b5382199847a4
1344c05ba2b9c17
141b29b2938d376
15bbdb9c4a544a
hex5cc967f3a36c

102020102202220 has 24 divisors (see below), whose sum is σ = 214242471856224. Its totient is φ = 40807991884416.

The previous prime is 102020102202157. The next prime is 102020102202299. The reversal of 102020102202220 is 22202201020201.

It is a junction number, because it is equal to n+sod(n) for n = 102020102202194 and 102020102202203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17320809 + ... + 22451071.

It is an arithmetic number, because the mean of its divisors is an integer number (8926769660676).

Almost surely, 2102020102202220 is an apocalyptic number.

102020102202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020102202220 is an abundant number, since it is smaller than the sum of its proper divisors (112222369654004).

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

102020102202220 is a wasteful number, since it uses less digits than its factorization.

102020102202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124569 (or 6124567 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102020102202220 its reverse (22202201020201), we get a palindrome (124222303222421).

The spelling of 102020102202220 in words is "one hundred two trillion, twenty billion, one hundred two million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 994297 1988594 3977188 4971485 5130263 9942970 10260526 19885940 20521052 25651315 51302630 102605260 5101005110111 10202010220222 20404020440444 25505025550555 51010051101110 102020102202220