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1020332057 is a prime number
BaseRepresentation
bin111100110100010…
…000100000011001
32122002221020110012
4330310100200121
54042201111212
6245125131305
734166452013
oct7464204031
92562836405
101020332057
11483a50638
12245859b35
131335087a4
14997211b3
155e89a922
hex3cd10819

1020332057 has 2 divisors, whose sum is σ = 1020332058. Its totient is φ = 1020332056.

The previous prime is 1020332009. The next prime is 1020332059. The reversal of 1020332057 is 7502330201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1019141776 + 1190281 = 31924^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020332057 - 210 = 1020331033 is a prime.

Together with 1020332059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1020332059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510166028 + 510166029.

It is an arithmetic number, because the mean of its divisors is an integer number (510166029).

Almost surely, 21020332057 is an apocalyptic number.

It is an amenable number.

1020332057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020332057 is an equidigital number, since it uses as much as digits as its factorization.

1020332057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 1020332057 is about 31942.6369763049. The cubic root of 1020332057 is about 1006.7319317339.

Adding to 1020332057 its reverse (7502330201), we get a palindrome (8522662258).

The spelling of 1020332057 in words is "one billion, twenty million, three hundred thirty-two thousand, fifty-seven".