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20003213203030 = 256838179358079
BaseRepresentation
bin1001000110001010111000…
…11010101101011001010110
32121211021210022200010120101
410203011130122231121112
510110213040034444110
6110313203240124314
74133120161551511
oct443053432553126
977737708603511
1020003213203030
116412351409032
1222b090b76669a
13b213aabc5cc5
144d2236cc1d78
1524a4e1ee113a
hex12315c6ad656

20003213203030 has 32 divisors (see below), whose sum is σ = 36063010252800. Its totient is φ = 7988571219552.

The previous prime is 20003213202989. The next prime is 20003213203037. The reversal of 20003213203030 is 3030231230002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20003213202989 and 20003213203007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003213203037) 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, 55683531 + ... + 56041609.

It is an arithmetic number, because the mean of its divisors is an integer number (1126969070400).

Almost surely, 220003213203030 is an apocalyptic number.

20003213203030 is a deficient number, since it is larger than the sum of its proper divisors (16059797049770).

20003213203030 is a wasteful number, since it uses less digits than its factorization.

20003213203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366948.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20003213203030 its reverse (3030231230002), we get a palindrome (23033444433032).

The spelling of 20003213203030 in words is "twenty trillion, three billion, two hundred thirteen million, two hundred three thousand, thirty".

Divisors: 1 2 5 10 683 1366 3415 6830 8179 16358 40895 81790 358079 716158 1790395 3580790 5586257 11172514 27931285 55862570 244567957 489135914 1222839785 2445679570 2928728141 5857456282 14643640705 29287281410 2000321320303 4000642640606 10001606601515 20003213203030