20434094 has 4 divisors (see below), whose sum is σ = 30651144. Its totient is φ = 10217046.

The previous prime is 20434093. The next prime is 20434109. The reversal of 20434094 is 49043402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108522 + ... + 5108525.

It is an arithmetic number, because the mean of its divisors is an integer number (7662786).

Almost surely, 2^20434094 is an apocalyptic number.

20434094 is a deficient number, since it is larger than the sum of its proper divisors (10217050).

20434094 is a wasteful number, since it uses less digits than its factorization.

20434094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217049.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20434094 is about 4520.4086098493. The cubic root of 20434094 is about 273.3915762593.

Adding to 20434094 its reverse (49043402), we get a palindrome (69477496).

The spelling of 20434094 in words is "twenty million, four hundred thirty-four thousand, ninety-four".