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20252432047 is a prime number
BaseRepresentation
bin10010110111001000…
…111001011010101111
31221021102112010220211
4102313020321122233
5312434110311142
613145343523251
71314605555251
oct226710713257
957242463824
1020252432047
118652a73a51
123b125b9527
131ba9a8c303
14da1a35cd1
157d7ed0917
hex4b72396af

20252432047 has 2 divisors, whose sum is σ = 20252432048. Its totient is φ = 20252432046.

The previous prime is 20252432017. The next prime is 20252432077. The reversal of 20252432047 is 74023425202.

It is a balanced prime because it is at equal distance from previous prime (20252432017) and next prime (20252432077).

It is a cyclic number.

It is not a de Polignac number, because 20252432047 - 211 = 20252429999 is a prime.

It is a super-2 number, since 2×202524320472 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20252432017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126216023 + 10126216024.

It is an arithmetic number, because the mean of its divisors is an integer number (10126216024).

Almost surely, 220252432047 is an apocalyptic number.

20252432047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20252432047 is an equidigital number, since it uses as much as digits as its factorization.

20252432047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 31.

Adding to 20252432047 its reverse (74023425202), we get a palindrome (94275857249).

The spelling of 20252432047 in words is "twenty billion, two hundred fifty-two million, four hundred thirty-two thousand, forty-seven".