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20331210202342 = 2131037591938089
BaseRepresentation
bin1001001111101101110101…
…00011111101110011100110
32122222122101222220002021221
410213312322203331303212
510131101304302433332
6111124010134130554
74165611225212644
oct447667243756346
978878358802257
1020331210202342
116529466142296
1223443a91b0a5a
13b462c01318a0
14504070432194
15253cdc522297
hex127dba8fdce6

20331210202342 has 16 divisors (see below), whose sum is σ = 33161585577120. Its totient is φ = 9292532219712.

The previous prime is 20331210202339. The next prime is 20331210202343. The reversal of 20331210202342 is 24320201213302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331210202343) 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, 3795966367 + ... + 3795971722.

It is an arithmetic number, because the mean of its divisors is an integer number (2072599098570).

Almost surely, 220331210202342 is an apocalyptic number.

20331210202342 is a deficient number, since it is larger than the sum of its proper divisors (12830375374778).

20331210202342 is a wasteful number, since it uses less digits than its factorization.

20331210202342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591938207.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20331210202342 its reverse (24320201213302), we get a palindrome (44651411415644).

The spelling of 20331210202342 in words is "twenty trillion, three hundred thirty-one billion, two hundred ten million, two hundred two thousand, three hundred forty-two".

Divisors: 1 2 13 26 103 206 1339 2678 7591938089 15183876178 98695195157 197390390314 781969623167 1563939246334 10165605101171 20331210202342