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20100331330 = 259112206403
BaseRepresentation
bin10010101110000100…
…101011011101000010
31220212211022121221221
4102232010223131002
5312131141100310
613122311505254
71311050666032
oct225604533502
956784277857
1020100331330
118585127482
123a8b68822a
131b844061a1
14d897618c2
157c9988ada
hex4ae12b742

20100331330 has 16 divisors (see below), whose sum is σ = 36220328064. Its totient is φ = 8031303280.

The previous prime is 20100331319. The next prime is 20100331331. The reversal of 20100331330 is 3313300102.

It is not an unprimeable number, because it can be changed into a prime (20100331331) 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, 1094092 + ... + 1112311.

It is an arithmetic number, because the mean of its divisors is an integer number (2263770504).

Almost surely, 220100331330 is an apocalyptic number.

20100331330 is a deficient number, since it is larger than the sum of its proper divisors (16119996734).

20100331330 is a wasteful number, since it uses less digits than its factorization.

20100331330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207321.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20100331330 its reverse (3313300102), we get a palindrome (23413631432).

The spelling of 20100331330 in words is "twenty billion, one hundred million, three hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 911 1822 4555 9110 2206403 4412806 11032015 22064030 2010033133 4020066266 10050165665 20100331330