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20203232971 is a prime number
BaseRepresentation
bin10010110100001101…
…001101111011001011
31221010222221120110211
4102310031031323023
5312334011423341
613140425221551
71313440434565
oct226415157313
957128846424
1020203232971
11862821aa59
123aba0318b7
131b9c82462c
14d992aa335
157d3a13181
hex4b434decb

20203232971 has 2 divisors, whose sum is σ = 20203232972. Its totient is φ = 20203232970.

The previous prime is 20203232957. The next prime is 20203232977. The reversal of 20203232971 is 17923230202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20203232971 - 215 = 20203200203 is a prime.

It is not a weakly prime, because it can be changed into another prime (20203232977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101616485 + 10101616486.

It is an arithmetic number, because the mean of its divisors is an integer number (10101616486).

Almost surely, 220203232971 is an apocalyptic number.

20203232971 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203232971 is an equidigital number, since it uses as much as digits as its factorization.

20203232971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 20203232971 in words is "twenty billion, two hundred three million, two hundred thirty-two thousand, nine hundred seventy-one".