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302003002020 = 223530637164291
BaseRepresentation
bin1000110010100001100…
…10000001101010100100
31001212112002221001222010
410121100302001222210
514422000232031040
6350423244234220
730550626106356
oct4312062015244
91055462831863
10302003002020
11107095904375
124a64423b970
132262bab74c5
141088d17d0d6
157cc8465e80
hex4650c81aa4

302003002020 has 48 divisors (see below), whose sum is σ = 845641153728. Its totient is φ = 80531015040.

The previous prime is 302003002019. The next prime is 302003002097. The reversal of 302003002020 is 20200300203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 302003001987 and 302003002005.

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, 1756075 + ... + 1920365.

It is an arithmetic number, because the mean of its divisors is an integer number (17617524036).

Almost surely, 2302003002020 is an apocalyptic number.

302003002020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302003002020 is an abundant number, since it is smaller than the sum of its proper divisors (543638151708).

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

302003002020 is a wasteful number, since it uses less digits than its factorization.

302003002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194940 (or 194938 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 302003002020 its reverse (20200300203), we get a palindrome (322203302223).

The spelling of 302003002020 in words is "three hundred two billion, three million, two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 30637 61274 91911 122548 153185 164291 183822 306370 328582 367644 459555 492873 612740 657164 821455 919110 985746 1642910 1838220 1971492 2464365 3285820 4928730 9857460 5033383367 10066766734 15100150101 20133533468 25166916835 30200300202 50333833670 60400600404 75500750505 100667667340 151001501010 302003002020