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10020020033 = 43922824647
BaseRepresentation
bin10010101010011110…
…10101111101000001
3221212022102202110002
421111033111331001
5131010111120113
64334135445345
7503206523252
oct112517257501
927768382402
1010020020033
1142820493a1
121b37826855
13c38ba9a4a
146b0a94b29
153d9a14c58
hex2553d5f41

10020020033 has 4 divisors (see below), whose sum is σ = 10042845120. Its totient is φ = 9997194948.

The previous prime is 10020020027. The next prime is 10020020071. The reversal of 10020020033 is 33002002001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33002002001 = 291138000069.

It is a cyclic number.

It is not a de Polignac number, because 10020020033 - 26 = 10020019969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020019996 and 10020020023.

It is not an unprimeable number, because it can be changed into a prime (10020020833) 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, 11411885 + ... + 11412762.

It is an arithmetic number, because the mean of its divisors is an integer number (2510711280).

Almost surely, 210020020033 is an apocalyptic number.

It is an amenable number.

10020020033 is a deficient number, since it is larger than the sum of its proper divisors (22825087).

10020020033 is an equidigital number, since it uses as much as digits as its factorization.

10020020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22825086.

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

Adding to 10020020033 its reverse (33002002001), we get a palindrome (43022022034).

The spelling of 10020020033 in words is "ten billion, twenty million, twenty thousand, thirty-three".

Divisors: 1 439 22824647 10020020033