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20041032140 = 2251002051607
BaseRepresentation
bin10010101010100010…
…011110000111001100
31220201200201220202122
4102222202132013030
5312021001012030
613112352512112
71306430651063
oct225242360714
956650656678
1020041032140
118554705088
123a7384b638
131b750431cc
14d819271da
157c46738e5
hex4aa89e1cc

20041032140 has 12 divisors (see below), whose sum is σ = 42086167536. Its totient is φ = 8016412848.

The previous prime is 20041032061. The next prime is 20041032157. The reversal of 20041032140 is 4123014002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501025784 + ... + 501025823.

It is an arithmetic number, because the mean of its divisors is an integer number (3507180628).

Almost surely, 220041032140 is an apocalyptic number.

20041032140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20041032140 is an abundant number, since it is smaller than the sum of its proper divisors (22045135396).

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

20041032140 is a wasteful number, since it uses less digits than its factorization.

20041032140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002051616 (or 1002051614 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20041032140 its reverse (4123014002), we get a palindrome (24164046142).

The spelling of 20041032140 in words is "twenty billion, forty-one million, thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1002051607 2004103214 4008206428 5010258035 10020516070 20041032140