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20011333030 = 25131087141613
BaseRepresentation
bin10010101000110001…
…001011010110100110
31220122121212001020121
4102220301023112212
5311440400124110
613105412152154
71305620344543
oct225061132646
956577761217
1020011333030
11853996a767
123a6590865a
131b6bb45180
14d7b9d5bca
157c1c58cda
hex4a8c4b5a6

20011333030 has 32 divisors (see below), whose sum is σ = 38827160064. Its totient is φ = 7381950336.

The previous prime is 20011333019. The next prime is 20011333033. The reversal of 20011333030 is 3033311002.

It is a junction number, because it is equal to n+sod(n) for n = 20011332995 and 20011333013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011333033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70504 + ... + 212116.

It is an arithmetic number, because the mean of its divisors is an integer number (1213348752).

Almost surely, 220011333030 is an apocalyptic number.

20011333030 is a deficient number, since it is larger than the sum of its proper divisors (18815827034).

20011333030 is a wasteful number, since it uses less digits than its factorization.

20011333030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142720.

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

Adding to 20011333030 its reverse (3033311002), we get a palindrome (23044644032).

The spelling of 20011333030 in words is "twenty billion, eleven million, three hundred thirty-three thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 1087 2174 5435 10870 14131 28262 70655 141310 141613 283226 708065 1416130 1840969 3681938 9204845 18409690 153933331 307866662 769666655 1539333310 2001133303 4002266606 10005666515 20011333030