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20252020430 = 254614393063
BaseRepresentation
bin10010110111000111…
…010100111011001110
31221021101202020021202
4102313013110323032
5312434004123210
613145331025502
71314602222225
oct226707247316
957241666252
1020252020430
118652812774
123b1243b292
131ba9976b55
14da1969cbc
157d7e4d9a5
hex4b71d4ece

20252020430 has 16 divisors (see below), whose sum is σ = 36532720224. Its totient is φ = 8083234080.

The previous prime is 20252020427. The next prime is 20252020463. The reversal of 20252020430 is 3402025202.

20252020430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 2191922 + ... + 2201141.

It is an arithmetic number, because the mean of its divisors is an integer number (2283295014).

Almost surely, 220252020430 is an apocalyptic number.

20252020430 is a deficient number, since it is larger than the sum of its proper divisors (16280699794).

20252020430 is a wasteful number, since it uses less digits than its factorization.

20252020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393531.

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 20252020430 its reverse (3402025202), we get a palindrome (23654045632).

The spelling of 20252020430 in words is "twenty billion, two hundred fifty-two million, twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 461 922 2305 4610 4393063 8786126 21965315 43930630 2025202043 4050404086 10126010215 20252020430