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201033000020 = 22510051650001
BaseRepresentation
bin1011101100111010000…
…0000010010001010100
3201012220100001112010102
42323032200002101110
511243203422000040
6232204150513232
720344533206606
oct2731640022124
9635810045112
10201033000020
1178291984426
1232b65665818
1315c5a3419a8
149a3137d176
155368ec3515
hex2ece802454

201033000020 has 12 divisors (see below), whose sum is σ = 422169300084. Its totient is φ = 80413200000.

The previous prime is 201033000019. The next prime is 201033000029. The reversal of 201033000020 is 20000330102.

It can be written as a sum of positive squares in 2 ways, for example, as 123444011716 + 77588988304 = 351346^2 + 278548^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201032999965 and 201033000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201033000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025824981 + ... + 5025825020.

It is an arithmetic number, because the mean of its divisors is an integer number (35180775007).

Almost surely, 2201033000020 is an apocalyptic number.

201033000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201033000020 is an abundant number, since it is smaller than the sum of its proper divisors (221136300064).

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

201033000020 is a wasteful number, since it uses less digits than its factorization.

201033000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051650010 (or 10051650008 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 201033000020 its reverse (20000330102), we get a palindrome (221033330122).

The spelling of 201033000020 in words is "two hundred one billion, thirty-three million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 10051650001 20103300002 40206600004 50258250005 100516500010 201033000020