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20311020002230 = 2514932251604361
BaseRepresentation
bin1001001111001000001110…
…01000011101101110110110
32122220201021220110122112121
410213210013020131232312
510130233432110032410
6111110430452110154
74164265003305526
oct447440710355666
978821256418477
1020311020002230
1165209453140a1
1223404b360535a
13b44423221409
145030b6b99686
15253509c359da
hex12790721dbb6

20311020002230 has 32 divisors (see below), whose sum is σ = 36600636539808. Its totient is φ = 8115346080000.

The previous prime is 20311020002219. The next prime is 20311020002249. The reversal of 20311020002230 is 3220002011302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33305250 + ... + 33909610.

It is an arithmetic number, because the mean of its divisors is an integer number (1143769891869).

Almost surely, 220311020002230 is an apocalyptic number.

20311020002230 is a deficient number, since it is larger than the sum of its proper divisors (16289616537578).

20311020002230 is a wasteful number, since it uses less digits than its factorization.

20311020002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608112.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20311020002230 its reverse (3220002011302), we get a palindrome (23531022013532).

The spelling of 20311020002230 in words is "twenty trillion, three hundred eleven billion, twenty million, two thousand, two hundred thirty".

Divisors: 1 2 5 10 1493 2251 2986 4502 7465 11255 14930 22510 604361 1208722 3021805 3360743 6043610 6721486 16803715 33607430 902310973 1360416611 1804621946 2720833222 4511554865 6802083055 9023109730 13604166110 2031102000223 4062204000446 10155510001115 20311020002230