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2020101220220 = 225220745765773
BaseRepresentation
bin11101011001010111011…
…010100110011101111100
321011010020022211122020212
4131121113122212131330
5231044131403021340
64144004403531552
7265642664025446
oct35312732463574
97133208748225
102020101220220
117097a1525086
12287613989bb8
13118657bbc015
146dab83a3496
1537832a8ea65
hex1d6576a677c

2020101220220 has 24 divisors (see below), whose sum is σ = 4244134817664. Its totient is φ = 807674344256.

The previous prime is 2020101220211. The next prime is 2020101220259. The reversal of 2020101220220 is 220221010202.

It is a junction number, because it is equal to n+sod(n) for n = 2020101220195 and 2020101220204.

It is a congruent number.

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, 22838747 + ... + 22927026.

It is an arithmetic number, because the mean of its divisors is an integer number (176838950736).

Almost surely, 22020101220220 is an apocalyptic number.

2020101220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020101220220 is an abundant number, since it is smaller than the sum of its proper divisors (2224033597444).

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

2020101220220 is a wasteful number, since it uses less digits than its factorization.

2020101220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45767989 (or 45767987 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020101220220 its reverse (220221010202), we get a palindrome (2240322230422).

The spelling of 2020101220220 in words is "two trillion, twenty billion, one hundred one million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2207 4414 8828 11035 22070 44140 45765773 91531546 183063092 228828865 457657730 915315460 101005061011 202010122022 404020244044 505025305055 1010050610110 2020101220220