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20201110033 = 134013875141
BaseRepresentation
bin10010110100000101…
…000111101000010001
31221010211221201100111
4102310011013220101
5312332441010113
613140311521321
71313413413346
oct226405075021
957124851314
1020201110033
118626aaaa65
123ab9389241
131b9c260260
14d98cb67cd
157d374413d
hex4b4147a11

20201110033 has 8 divisors (see below), whose sum is σ = 21809299176. Its totient is φ = 18600672000.

The previous prime is 20201110021. The next prime is 20201110043. The reversal of 20201110033 is 33001110202.

It can be written as a sum of positive squares in 4 ways, for example, as 8635613184 + 11565496849 = 92928^2 + 107543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20201110033 - 25 = 20201110001 is a prime.

It is a super-2 number, since 2×202011100332 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201109995 and 20201110022.

It is not an unprimeable number, because it can be changed into a prime (20201110043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932358 + ... + 1942783.

It is an arithmetic number, because the mean of its divisors is an integer number (2726162397).

Almost surely, 220201110033 is an apocalyptic number.

It is an amenable number.

20201110033 is a deficient number, since it is larger than the sum of its proper divisors (1608189143).

20201110033 is a wasteful number, since it uses less digits than its factorization.

20201110033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875555.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20201110033 its reverse (33001110202), we get a palindrome (53202220235).

The spelling of 20201110033 in words is "twenty billion, two hundred one million, one hundred ten thousand, thirty-three".

Divisors: 1 13 401 5213 3875141 50376833 1553931541 20201110033