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2020020220220 = 225101001011011
BaseRepresentation
bin11101011001010010100…
…101100111000100111100
321011010000200102102010212
4131121102211213010330
5231044000134021340
64143552351451552
7265640661366032
oct35312245470474
97133020372125
102020020220220
1170975a830632
122875b0826bb8
1311864419b722
146daab71a552
153782a8dea65
hex1d65296713c

2020020220220 has 12 divisors (see below), whose sum is σ = 4242042462504. Its totient is φ = 808008088080.

The previous prime is 2020020220193. The next prime is 2020020220241. The reversal of 2020020220220 is 220220200202.

It is a happy number.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2020020220195 and 2020020220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50500505486 + ... + 50500505525.

It is an arithmetic number, because the mean of its divisors is an integer number (353503538542).

Almost surely, 22020020220220 is an apocalyptic number.

2020020220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020020220220 is an abundant number, since it is smaller than the sum of its proper divisors (2222022242284).

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

2020020220220 is a wasteful number, since it uses less digits than its factorization.

2020020220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001011020 (or 101001011018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 2020020220220 its reverse (220220200202), we get a palindrome (2240240420422).

The spelling of 2020020220220 in words is "two trillion, twenty billion, twenty million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101001011011 202002022022 404004044044 505005055055 1010010110110 2020020220220