20434141 has 16 divisors (see below), whose sum is σ = 25256448. Its totient is φ = 16099200.

The previous prime is 20434109. The next prime is 20434147. The reversal of 20434141 is 14143402.

It is not a de Polignac number, because 20434141 - 2⁵ = 20434109 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38961 + ... + 39481.

It is an arithmetic number, because the mean of its divisors is an integer number (1578528).

Almost surely, 2^20434141 is an apocalyptic number.

It is an amenable number.

20434141 is a deficient number, since it is larger than the sum of its proper divisors (4822307).

20434141 is a wasteful number, since it uses less digits than its factorization.

20434141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20434141 is about 4520.4138084914. The cubic root of 20434141 is about 273.3917858664.

Adding to 20434141 its reverse (14143402), we get a palindrome (34577543).

The spelling of 20434141 in words is "twenty million, four hundred thirty-four thousand, one hundred forty-one".