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2020030220 = 2251319408913
BaseRepresentation
bin111100001100111…
…0011011100001100
312012210001011112002
41320121303130030
513114111431340
6532240131432
7101025654635
oct17031633414
95183034462
102020030220
1194728866a
12484606b78
1326266b470
141523d088c
15bc51c715
hex7867370c

2020030220 has 48 divisors (see below), whose sum is σ = 4808828640. Its totient is φ = 706599936.

The previous prime is 2020030217. The next prime is 2020030247. The reversal of 2020030220 is 220300202.

It is a super-3 number, since 3×20200302203 (a number of 29 digits) contains 333 as substring.

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, 199517 + ... + 209396.

It is an arithmetic number, because the mean of its divisors is an integer number (100183930).

Almost surely, 22020030220 is an apocalyptic number.

2020030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020030220 is an abundant number, since it is smaller than the sum of its proper divisors (2788798420).

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

2020030220 is a wasteful number, since it uses less digits than its factorization.

2020030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408954 (or 408952 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2020030220 is about 44944.7463003186. The cubic root of 2020030220 is about 1264.1131686783.

Adding to 2020030220 its reverse (220300202), we get a palindrome (2240330422).

The spelling of 2020030220 in words is "two billion, twenty million, thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 408913 817826 1635652 2044565 4089130 5315869 7769347 8178260 10631738 15538694 21263476 26579345 31077388 38846735 53158690 77693470 101001511 106317380 155386940 202003022 404006044 505007555 1010015110 2020030220