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20423424302 = 297317332099
BaseRepresentation
bin10011000001010101…
…001011100100101110
31221201100021110012022
4103001111023210232
5313311344034202
613214332510142
71322053146041
oct230125134456
957640243168
1020423424302
118730543a66
123b5b91b352
131c0632b168
14dba626c58
157e8009ea2
hex4c154b92e

20423424302 has 16 divisors (see below), whose sum is σ = 31048693200. Its totient is φ = 10074524928.

The previous prime is 20423424269. The next prime is 20423424313. The reversal of 20423424302 is 20342432402.

It is a happy 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, 104552 + ... + 227547.

It is an arithmetic number, because the mean of its divisors is an integer number (1940543325).

Almost surely, 220423424302 is an apocalyptic number.

20423424302 is a deficient number, since it is larger than the sum of its proper divisors (10625268898).

20423424302 is a wasteful number, since it uses less digits than its factorization.

20423424302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332515.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20423424302 its reverse (20342432402), we get a palindrome (40765856704).

The spelling of 20423424302 in words is "twenty billion, four hundred twenty-three million, four hundred twenty-four thousand, three hundred two".

Divisors: 1 2 97 194 317 634 30749 61498 332099 664198 32213603 64427206 105275383 210550766 10211712151 20423424302