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20020311320210 = 2523487178736821
BaseRepresentation
bin1001000110101010101111…
…00010110110011010010010
32121212220220220210110221122
410203111113202312122102
510111003044144221320
6110325112024122242
74134263656263605
oct443252742663222
977786826713848
1020020311320210
1164196258a2593
1222b40a1906382
13b22ba4320bc6
144d2db9a2233c
1524ab930e9d25
hex1235578b6692

20020311320210 has 32 divisors (see below), whose sum is σ = 37680581866752. Its totient is φ = 7644216317760.

The previous prime is 20020311320189. The next prime is 20020311320281. The reversal of 20020311320210 is 1202311302002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89256401 + ... + 89480420.

It is an arithmetic number, because the mean of its divisors is an integer number (1177518183336).

Almost surely, 220020311320210 is an apocalyptic number.

20020311320210 is a deficient number, since it is larger than the sum of its proper divisors (17660270546542).

20020311320210 is a wasteful number, since it uses less digits than its factorization.

20020311320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178737338.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20020311320210 its reverse (1202311302002), we get a palindrome (21222622622212).

The spelling of 20020311320210 in words is "twenty trillion, twenty billion, three hundred eleven million, three hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 23 46 115 230 487 974 2435 4870 11201 22402 56005 112010 178736821 357473642 893684105 1787368210 4110946883 8221893766 20554734415 41109468830 87044831827 174089663654 435224159135 870448318270 2002031132021 4004062264042 10010155660105 20020311320210