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20234011 = 72412939
BaseRepresentation
bin100110100101…
…1111100011011
31102001222211211
41031023330123
520134442021
62001403551
7333662200
oct115137433
942058754
1020234011
1110470126
1269395b7
134265ab5
142989ca7
151b9a3e1
hex134bf1b

20234011 has 6 divisors (see below), whose sum is σ = 23537580. Its totient is φ = 17343396.

The previous prime is 20234009. The next prime is 20234023. The reversal of 20234011 is 11043202.

It is not a de Polignac number, because 20234011 - 21 = 20234009 is a prime.

It is a super-2 number, since 2×202340112 = 818830402296242, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 20233982 and 20234000.

It is not an unprimeable number, because it can be changed into a prime (20234311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206421 + ... + 206518.

It is an arithmetic number, because the mean of its divisors is an integer number (3922930).

Almost surely, 220234011 is an apocalyptic number.

20234011 is a deficient number, since it is larger than the sum of its proper divisors (3303569).

20234011 is an equidigital number, since it uses as much as digits as its factorization.

20234011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412953 (or 412946 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20234011 is about 4498.2230936226. The cubic root of 20234011 is about 272.4963319092.

Adding to 20234011 its reverse (11043202), we get a palindrome (31277213).

The spelling of 20234011 in words is "twenty million, two hundred thirty-four thousand, eleven".

Divisors: 1 7 49 412939 2890573 20234011