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20331233202103 = 235974320164853
BaseRepresentation
bin1001001111101101110111…
…11011101100111110110111
32122222122110121011121000221
410213312323323230332313
510131101331144431403
6111124012315115211
74165611624544435
oct447667373547667
978878417147027
1020331233202103
11652947812135a
1223443b4a42b07
13b462c4b25505
145040734dbd55
15253cde566dbd
hex127dbbeecfb7

20331233202103 has 16 divisors (see below), whose sum is σ = 21603817981440. Its totient is φ = 19091920554784.

The previous prime is 20331233202041. The next prime is 20331233202107. The reversal of 20331233202103 is 30120233213302.

It is a cyclic number.

It is not a de Polignac number, because 20331233202103 - 213 = 20331233193911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331233202107) 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, 9074176 + ... + 11090677.

It is an arithmetic number, because the mean of its divisors is an integer number (1350238623840).

Almost surely, 220331233202103 is an apocalyptic number.

20331233202103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20331233202103 is a deficient number, since it is larger than the sum of its proper divisors (1272584779337).

20331233202103 is a wasteful number, since it uses less digits than its factorization.

20331233202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20165678.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20331233202103 its reverse (30120233213302), we get a palindrome (50451466415405).

The spelling of 20331233202103 in words is "twenty trillion, three hundred thirty-one billion, two hundred thirty-three million, two hundred two thousand, one hundred three".

Divisors: 1 23 59 743 1357 17089 43837 1008251 20164853 463791619 1189726327 14982485779 27363705521 344597172917 883966660961 20331233202103