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20302211320002 = 23217185699357283
BaseRepresentation
bin1001001110110111110100…
…00110000000100011000010
32122212212120000101020011200
410213123322012000203002
510130112412044220002
6111102412423322030
74163533502611323
oct447337206004302
978785500336150
1020302211320002
116518135015827
12233a8555b0316
13b4364b2a8601
145028bcd4644a
1525319174ab1c
hex1276fa1808c2

20302211320002 has 48 divisors (see below), whose sum is σ = 46576042437600. Its totient is φ = 6369269072256.

The previous prime is 20302211319997. The next prime is 20302211320009. The reversal of 20302211320002 is 20002311220302.

20302211320002 is a `hidden beast` number, since 20 + 302 + 21 + 1 + 320 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20302211320009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56645253 + ... + 57002535.

It is an arithmetic number, because the mean of its divisors is an integer number (970334217450).

Almost surely, 220302211320002 is an apocalyptic number.

20302211320002 is an abundant number, since it is smaller than the sum of its proper divisors (26273831117598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20302211320002 is a wasteful number, since it uses less digits than its factorization.

20302211320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543007 (or 543004 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20302211320002 its reverse (20002311220302), we get a palindrome (40304522540304).

The spelling of 20302211320002 in words is "twenty trillion, three hundred two billion, two hundred eleven million, three hundred twenty thousand, two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 185699 357283 371398 557097 714566 1071849 1114194 1671291 2143698 3156883 3215547 3342582 6073811 6313766 6431094 9470649 12147622 18221433 18941298 28411947 36442866 54664299 56823894 109328598 66347095817 132694191634 199041287451 398082574902 597123862353 1127900628889 1194247724706 2255801257778 3383701886667 6767403773334 10151105660001 20302211320002