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102020033 = 472170639
BaseRepresentation
bin1100001010010…
…11001111000001
321002222011011202
412011023033001
5202104120113
614042350545
72346104333
oct605131701
9232864152
10102020033
1152651185
122a1bb455
13181a00ab
14d799453
158e53258
hex614b3c1

102020033 has 4 divisors (see below), whose sum is σ = 104190720. Its totient is φ = 99849348.

The previous prime is 102020021. The next prime is 102020053. The reversal of 102020033 is 330020201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102020033 - 220 = 100971457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102019996 and 102020023.

It is not an unprimeable number, because it can be changed into a prime (102020053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085273 + ... + 1085366.

It is an arithmetic number, because the mean of its divisors is an integer number (26047680).

Almost surely, 2102020033 is an apocalyptic number.

It is an amenable number.

102020033 is a deficient number, since it is larger than the sum of its proper divisors (2170687).

102020033 is an equidigital number, since it uses as much as digits as its factorization.

102020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170686.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 102020033 is about 10100.4966709563. The cubic root of 102020033 is about 467.2634593173.

Adding to 102020033 its reverse (330020201), we get a palindrome (432040234).

The spelling of 102020033 in words is "one hundred two million, twenty thousand, thirty-three".

Divisors: 1 47 2170639 102020033