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20432411133312 = 2731942119973331
BaseRepresentation
bin1001010010101010010101…
…00110111000010110000000
32200100022121212022001010110
410221111022212320112000
510134231034222231222
6111242304201231320
74206123124014633
oct451251246702600
980308555261113
1020432411133312
11656837845a622
12235bb31192540
13b529ca6a0469
14508d10b85c1a
15256761dcd30c
hex12954a9b8580

20432411133312 has 256 divisors, whose sum is σ = 57311674156800. Its totient is φ = 6431859302400.

The previous prime is 20432411133307. The next prime is 20432411133341. The reversal of 20432411133312 is 21333111423402.

It is a self number, because there is not a number n which added to its sum of digits gives 20432411133312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6134015487 + ... + 6134018817.

It is an arithmetic number, because the mean of its divisors is an integer number (223873727175).

Almost surely, 220432411133312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20432411133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28655837078400).

20432411133312 is an abundant number, since it is smaller than the sum of its proper divisors (36879263023488).

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

20432411133312 is a wasteful number, since it uses less digits than its factorization.

20432411133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785 (or 5773 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 20432411133312 its reverse (21333111423402), we get a palindrome (41765522556714).

The spelling of 20432411133312 in words is "twenty trillion, four hundred thirty-two billion, four hundred eleven million, one hundred thirty-three thousand, three hundred twelve".