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20203032010 = 257319310153
BaseRepresentation
bin10010110100001100…
…011100110111001010
31221010222120100210211
4102310030130313022
5312333434011020
613140421031334
71313435636650
oct226414346712
957128510724
1020203032010
1186280a2a77
123ab9b5554a
131b9c784015
14d99256dd0
157d39c385a
hex4b431cdca

20203032010 has 32 divisors (see below), whose sum is σ = 42901189632. Its totient is φ = 6703309440.

The previous prime is 20203031983. The next prime is 20203032013. The reversal of 20203032010 is 1023030202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20203032013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4652907 + ... + 4657246.

It is an arithmetic number, because the mean of its divisors is an integer number (1340662176).

Almost surely, 220203032010 is an apocalyptic number.

20203032010 is an abundant number, since it is smaller than the sum of its proper divisors (22698157622).

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

20203032010 is a wasteful number, since it uses less digits than its factorization.

20203032010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310198.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20203032010 its reverse (1023030202), we get a palindrome (21226062212).

The spelling of 20203032010 in words is "twenty billion, two hundred three million, thirty-two thousand, ten".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 9310153 18620306 46550765 65171071 93101530 130342142 288614743 325855355 577229486 651710710 1443073715 2020303201 2886147430 4040606402 10101516005 20203032010