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2020030000 = 2454792557
BaseRepresentation
bin111100001100111…
…0011011000110000
312012210001011012221
41320121303120300
513114111430000
6532240130424
7101025654202
oct17031633060
95183034187
102020030000
1194728848a
12484606a14
1326266b331
141523d0772
15bc51c61a
hex78673630

2020030000 has 100 divisors (see below), whose sum is σ = 4954539040. Its totient is φ = 797472000.

The previous prime is 2020029989. The next prime is 2020030027. The reversal of 2020030000 is 300202.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 788722 + ... + 791278.

Almost surely, 22020030000 is an apocalyptic number.

2020030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2477269520).

2020030000 is an abundant number, since it is smaller than the sum of its proper divisors (2934509040).

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

2020030000 is an equidigital number, since it uses as much as digits as its factorization.

2020030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 2020030000 is about 44944.7438528689. The cubic root of 2020030000 is about 1264.1131227871.

Adding to 2020030000 its reverse (300202), we get a palindrome (2020330202).

The spelling of 2020030000 in words is "two billion, twenty million, thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 79 80 100 125 158 200 250 316 395 400 500 625 632 790 1000 1250 1264 1580 1975 2000 2500 2557 3160 3950 5000 5114 6320 7900 9875 10000 10228 12785 15800 19750 20456 25570 31600 39500 40912 49375 51140 63925 79000 98750 102280 127850 158000 197500 202003 204560 255700 319625 395000 404006 511400 639250 790000 808012 1010015 1022800 1278500 1598125 1616024 2020030 2557000 3196250 3232048 4040060 5050075 5114000 6392500 8080120 10100150 12785000 16160240 20200300 25250375 25570000 40400600 50500750 80801200 101001500 126251875 202003000 252503750 404006000 505007500 1010015000 2020030000