20110539 has 4 divisors (see below), whose sum is σ = 26814056. Its totient is φ = 13407024.

The previous prime is 20110523. The next prime is 20110547. The reversal of 20110539 is 93501102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20110539 - 2⁴ = 20110523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110589) 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, 3351754 + ... + 3351759.

It is an arithmetic number, because the mean of its divisors is an integer number (6703514).

Almost surely, 2^20110539 is an apocalyptic number.

20110539 is a deficient number, since it is larger than the sum of its proper divisors (6703517).

20110539 is an equidigital number, since it uses as much as digits as its factorization.

20110539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703516.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 20110539 is about 4484.4775615449. The cubic root of 20110539 is about 271.9409248507.

The spelling of 20110539 in words is "twenty million, one hundred ten thousand, five hundred thirty-nine".