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2020204000 = 2553505051
BaseRepresentation
bin111100001101001…
…1101110111100000
312012210100222220101
41320122131313200
513114133012000
6532243552144
7101030310403
oct17032356740
95183328811
102020204000
11947397191
1248468b654
132626cc5a9
14152437d3a
15bc553e6a
hex7869dde0

2020204000 has 48 divisors (see below), whose sum is σ = 4963651056. Its totient is φ = 808080000.

The previous prime is 2020203973. The next prime is 2020204007. The reversal of 2020204000 is 4020202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020204007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248526 + ... + 256525.

It is an arithmetic number, because the mean of its divisors is an integer number (103409397).

Almost surely, 22020204000 is an apocalyptic number.

2020204000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020204000 is an abundant number, since it is smaller than the sum of its proper divisors (2943447056).

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

2020204000 is an equidigital number, since it uses as much as digits as its factorization.

2020204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505076 (or 505058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2020204000 is about 44946.6795214063. The cubic root of 2020204000 is about 1264.1494175233.

Adding to 2020204000 its reverse (4020202), we get a palindrome (2024224202).

The spelling of 2020204000 in words is "two billion, twenty million, two hundred four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 505051 1010102 2020204 2525255 4040408 5050510 8080816 10101020 12626275 16161632 20202040 25252550 40404080 50505100 63131375 80808160 101010200 126262750 202020400 252525500 404040800 505051000 1010102000 2020204000