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20114311340 = 2251907527381
BaseRepresentation
bin10010101110111010…
…000000100010101100
31220220210121212221002
4102232322000202230
5312143230430330
613123531255432
71311310553054
oct225672004254
956823555832
1020114311340
118592005902
123a942aa578
131b8728c496
14d8b560564
157caceae45
hex4aee808ac

20114311340 has 24 divisors (see below), whose sum is σ = 42262283952. Its totient is φ = 8041490240.

The previous prime is 20114311307. The next prime is 20114311351. The reversal of 20114311340 is 4311341102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225551 + ... + 301830.

It is an arithmetic number, because the mean of its divisors is an integer number (1760928498).

Almost surely, 220114311340 is an apocalyptic number.

20114311340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20114311340 is an abundant number, since it is smaller than the sum of its proper divisors (22147972612).

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

20114311340 is a wasteful number, since it uses less digits than its factorization.

20114311340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529297 (or 529295 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20114311340 its reverse (4311341102), we get a palindrome (24425652442).

The spelling of 20114311340 in words is "twenty billion, one hundred fourteen million, three hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1907 3814 7628 9535 19070 38140 527381 1054762 2109524 2636905 5273810 10547620 1005715567 2011431134 4022862268 5028577835 10057155670 20114311340