Search a number
-
+
2020067820 = 2232511222599
BaseRepresentation
bin111100001100111…
…1100100111101100
312012210010002002200
41320121330213230
513114114132240
6532241021500
7101026202361
oct17031744754
95183102080
102020067820
11947303941
12484624890
13262682604
14152400468
15bc528930
hex7867c9ec

2020067820 has 36 divisors (see below), whose sum is σ = 6127539600. Its totient is φ = 538684704.

The previous prime is 2020067773. The next prime is 2020067837. The reversal of 2020067820 is 287600202.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5611120 + ... + 5611479.

Almost surely, 22020067820 is an apocalyptic number.

2020067820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020067820 is an abundant number, since it is smaller than the sum of its proper divisors (4107471780).

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

2020067820 is a wasteful number, since it uses less digits than its factorization.

2020067820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222614 (or 11222609 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2020067820 is about 44945.1645897531. The cubic root of 2020067820 is about 1264.1210118547.

The spelling of 2020067820 in words is "two billion, twenty million, sixty-seven thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 11222599 22445198 33667797 44890396 56112995 67335594 101003391 112225990 134671188 168338985 202006782 224451980 336677970 404013564 505016955 673355940 1010033910 2020067820