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20623425232032 = 25327293767142297
BaseRepresentation
bin1001011000001110000111…
…11011110101110010100000
32201000120122222000122102100
410230013003323311302200
510200343233324411112
6111510134252250400
74225664463041010
oct454070373656240
981016588018370
1020623425232032
11663138898a127
122390b5b470a00
13b67a1c13768c
14514271681c40
1525b6e150d2dc
hex12c1c3ef5ca0

20623425232032 has 576 divisors, whose sum is σ = 72274725169920. Its totient is φ = 5452800933888.

The previous prime is 20623425231989. The next prime is 20623425232037. The reversal of 20623425232032 is 23023252432602.

20623425232032 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 3 + 425 + 23 + 203 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20623425232037) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144861108 + ... + 145003404.

It is an arithmetic number, because the mean of its divisors is an integer number (125476953420).

Almost surely, 220623425232032 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 20623425232032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36137362584960).

20623425232032 is an abundant number, since it is smaller than the sum of its proper divisors (51651299937888).

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

20623425232032 is a wasteful number, since it uses less digits than its factorization.

20623425232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142453 (or 142442 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 20623425232032 its reverse (23023252432602), we get a palindrome (43646677664634).

The spelling of 20623425232032 in words is "twenty trillion, six hundred twenty-three billion, four hundred twenty-five million, two hundred thirty-two thousand, thirty-two".