20532113 has 8 divisors (see below), whose sum is σ = 24011328. Its totient is φ = 17189424.

The previous prime is 20532101. The next prime is 20532119. The reversal of 20532113 is 31123502.

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

It is not a de Polignac number, because 20532113 - 2⁶ = 20532049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20532091 and 20532100.

It is not an unprimeable number, because it can be changed into a prime (20532119) 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, 33806 + ... + 34407.

It is an arithmetic number, because the mean of its divisors is an integer number (3001416).

Almost surely, 2^20532113 is an apocalyptic number.

It is an amenable number.

20532113 is a deficient number, since it is larger than the sum of its proper divisors (3479215).

20532113 is an equidigital number, since it uses as much as digits as its factorization.

20532113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68263.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 20532113 is about 4531.2374689482. The cubic root of 20532113 is about 273.8280173511.

Adding to 20532113 its reverse (31123502), we get a palindrome (51655615).

The spelling of 20532113 in words is "twenty million, five hundred thirty-two thousand, one hundred thirteen".