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2020203020 = 225119182741
BaseRepresentation
bin111100001101001…
…1101101000001100
312012210100221120002
41320122131220030
513114132444040
6532243543432
7101030304503
oct17032355014
95183327502
102020203020
11947396480
1248468ab78
132626cc004
1415243783a
15bc553a15
hex7869da0c

2020203020 has 24 divisors (see below), whose sum is σ = 4628101968. Its totient is φ = 734619200.

The previous prime is 2020202993. The next prime is 2020203023. The reversal of 2020203020 is 203020202.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a junction number, because it is equal to n+sod(n) for n = 2020202992 and 2020203010.

It is not an unprimeable number, because it can be changed into a prime (2020203023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4591151 + ... + 4591590.

It is an arithmetic number, because the mean of its divisors is an integer number (192837582).

Almost surely, 22020203020 is an apocalyptic number.

2020203020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020203020 is an abundant number, since it is smaller than the sum of its proper divisors (2607898948).

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

2020203020 is a wasteful number, since it uses less digits than its factorization.

2020203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182761 (or 9182759 counting only the distinct ones).

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

The square root of 2020203020 is about 44946.6686195985. The cubic root of 2020203020 is about 1264.1492131105.

Adding to 2020203020 its reverse (203020202), we get a palindrome (2223223222).

The spelling of 2020203020 in words is "two billion, twenty million, two hundred three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 9182741 18365482 36730964 45913705 91827410 101010151 183654820 202020302 404040604 505050755 1010101510 2020203020