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20030333020 = 2259411064311
BaseRepresentation
bin10010101001111001…
…101010000001011100
31220200221121100022221
4102221321222001130
5312010231124040
613111331315124
71306241010235
oct225171520134
956627540287
1020030333020
118549667735
123a7014baa4
131b72a68379
14d8034008c
157c375d74a
hex4a9e6a05c

20030333020 has 24 divisors (see below), whose sum is σ = 42108439968. Its totient is φ = 8003611200.

The previous prime is 20030333003. The next prime is 20030333021. The reversal of 20030333020 is 2033303002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20030332985 and 20030333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030333021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513336 + ... + 550975.

It is an arithmetic number, because the mean of its divisors is an integer number (1754518332).

Almost surely, 220030333020 is an apocalyptic number.

20030333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030333020 is an abundant number, since it is smaller than the sum of its proper divisors (22078106948).

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

20030333020 is a wasteful number, since it uses less digits than its factorization.

20030333020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065261 (or 1065259 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 20030333020 its reverse (2033303002), we get a palindrome (22063636022).

The spelling of 20030333020 in words is "twenty billion, thirty million, three hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 941 1882 3764 4705 9410 18820 1064311 2128622 4257244 5321555 10643110 21286220 1001516651 2003033302 4006066604 5007583255 10015166510 20030333020