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10022020993 is a prime number
BaseRepresentation
bin10010101010101101…
…11110011110000001
3221212110012102020201
421111112332132001
5131011114132433
64334250405201
7503232526045
oct112526763601
927773172221
1010022020993
114283195786
121b38430801
13c3942a74a
146b1056025
153d9caca7d
hex2555be781

10022020993 has 2 divisors, whose sum is σ = 10022020994. Its totient is φ = 10022020992.

The previous prime is 10022020951. The next prime is 10022021027. The reversal of 10022020993 is 39902022001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6379536384 + 3642484609 = 79872^2 + 60353^2 .

It is an emirp because it is prime and its reverse (39902022001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10022020993 - 217 = 10021889921 is a prime.

It is not a weakly prime, because it can be changed into another prime (10022020913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011010496 + 5011010497.

It is an arithmetic number, because the mean of its divisors is an integer number (5011010497).

Almost surely, 210022020993 is an apocalyptic number.

It is an amenable number.

10022020993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10022020993 is an equidigital number, since it uses as much as digits as its factorization.

10022020993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 10022020993 its reverse (39902022001), we get a palindrome (49924042994).

The spelling of 10022020993 in words is "ten billion, twenty-two million, twenty thousand, nine hundred ninety-three".