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300002200020 = 223251666678889
BaseRepresentation
bin1000101110110011000…
…01100100100111010100
31001200100200001210121100
410113121201210213110
514403401030400040
6345452532150100
730450222424365
oct4273141444724
91050320053540
10300002200020
1110625946a1a6
124a186168330
13223a041c0b3
141073d555b6c
157c0c995b30
hex45d98649d4

300002200020 has 36 divisors (see below), whose sum is σ = 910006673940. Its totient is φ = 80000586624.

The previous prime is 300002200019. The next prime is 300002200027. The reversal of 300002200020 is 20002200003.

It can be written as a sum of positive squares in 2 ways, for example, as 68645048004 + 231357152016 = 262002^2 + 480996^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 300002199975 and 300002200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300002200027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833339265 + ... + 833339624.

It is an arithmetic number, because the mean of its divisors is an integer number (25277963165).

Almost surely, 2300002200020 is an apocalyptic number.

300002200020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300002200020 is an abundant number, since it is smaller than the sum of its proper divisors (610004473920).

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

300002200020 is a wasteful number, since it uses less digits than its factorization.

300002200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666678904 (or 1666678899 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 300002200020 its reverse (20002200003), we get a palindrome (320004400023).

The spelling of 300002200020 in words is "three hundred billion, two million, two hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1666678889 3333357778 5000036667 6666715556 8333394445 10000073334 15000110001 16666788890 20000146668 25000183335 30000220002 33333577780 50000366670 60000440004 75000550005 100000733340 150001100010 300002200020