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20334312312 = 2334319703791
BaseRepresentation
bin10010111100000001…
…001111101101111000
31221111010121002112020
4102330001033231320
5313121040443222
613201430514440
71316621542236
oct227401175570
957433532466
1020334312312
118695209896
123b35b05a20
131bc0a2a482
14dac86b956
157e02a665c
hex4bc04fb78

20334312312 has 32 divisors (see below), whose sum is σ = 52018010880. Its totient is φ = 6620473440.

The previous prime is 20334312293. The next prime is 20334312331. The reversal of 20334312312 is 21321343302.

It is an interprime number because it is at equal distance from previous prime (20334312293) and next prime (20334312331).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9850864 + ... + 9852927.

It is an arithmetic number, because the mean of its divisors is an integer number (1625562840).

Almost surely, 220334312312 is an apocalyptic number.

It is an amenable number.

20334312312 is an abundant number, since it is smaller than the sum of its proper divisors (31683698568).

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

20334312312 is a wasteful number, since it uses less digits than its factorization.

20334312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703843 (or 19703839 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20334312312 its reverse (21321343302), we get a palindrome (41655655614).

The spelling of 20334312312 in words is "twenty billion, three hundred thirty-four million, three hundred twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 19703791 39407582 59111373 78815164 118222746 157630328 236445492 472890984 847263013 1694526026 2541789039 3389052052 5083578078 6778104104 10167156156 20334312312