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20052051424 = 254713332481
BaseRepresentation
bin10010101011001100…
…100000010111100000
31220202110110202101021
4102223030200113200
5312031311121144
613113425015224
71306623424216
oct225314402740
956673422337
1020052051424
11855a951029
123a77484514
131b774009b2
14d83194cb6
157c55ed884
hex4ab3205e0

20052051424 has 24 divisors (see below), whose sum is σ = 40317425568. Its totient is φ = 9812705280.

The previous prime is 20052051419. The next prime is 20052051427. The reversal of 20052051424 is 42415025002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052051427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6664737 + ... + 6667744.

It is an arithmetic number, because the mean of its divisors is an integer number (1679892732).

Almost surely, 220052051424 is an apocalyptic number.

It is an amenable number.

20052051424 is an abundant number, since it is smaller than the sum of its proper divisors (20265374144).

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

20052051424 is a wasteful number, since it uses less digits than its factorization.

20052051424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332538 (or 13332530 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 20052051424 its reverse (42415025002), we get a palindrome (62467076426).

The spelling of 20052051424 in words is "twenty billion, fifty-two million, fifty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 13332481 26664962 53329924 106659848 213319696 426639392 626626607 1253253214 2506506428 5013012856 10026025712 20052051424