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20332012210431 = 371284336139293
BaseRepresentation
bin1001001111101111010100…
…10111011000100011111111
32122222201110220000022120020
410213313222113120203333
510131104430111213211
6111124221504023223
74165640134161645
oct447675227304377
978881426008506
1020332012210431
116529837924899
122344591901b13
13b463ba33879c
14504108b61195
15253d37b44306
hex127dea5d88ff

20332012210431 has 32 divisors (see below), whose sum is σ = 27511412977152. Its totient is φ = 13353928667520.

The previous prime is 20332012210423. The next prime is 20332012210439. The reversal of 20332012210431 is 13401221023302.

It is an interprime number because it is at equal distance from previous prime (20332012210423) and next prime (20332012210439).

It is not a de Polignac number, because 20332012210431 - 23 = 20332012210423 is a prime.

It is a super-2 number, since 2×203320122104312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332012210439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2187880021 + ... + 2187889313.

It is an arithmetic number, because the mean of its divisors is an integer number (859731655536).

Almost surely, 220332012210431 is an apocalyptic number.

20332012210431 is a deficient number, since it is larger than the sum of its proper divisors (7179400766721).

20332012210431 is a wasteful number, since it uses less digits than its factorization.

20332012210431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15823.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20332012210431 its reverse (13401221023302), we get a palindrome (33733233233733).

The spelling of 20332012210431 in words is "twenty trillion, three hundred thirty-two billion, twelve million, two hundred ten thousand, four hundred thirty-one".

Divisors: 1 3 71 213 2843 3613 8529 9293 10839 27879 201853 256523 605559 659803 769569 1979409 10271759 26419999 30815277 33575609 79259997 100726827 729294889 1875819929 2187884667 2383868239 5627459787 7151604717 95455456387 286366369161 6777337403477 20332012210431