20434606 has 8 divisors (see below), whose sum is σ = 30673224. Its totient is φ = 10210200.

The previous prime is 20434597. The next prime is 20434607. The reversal of 20434606 is 60643402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434607) 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, 1456 + ... + 6556.

It is an arithmetic number, because the mean of its divisors is an integer number (3834153).

Almost surely, 2^20434606 is an apocalyptic number.

20434606 is a deficient number, since it is larger than the sum of its proper divisors (10238618).

20434606 is a wasteful number, since it uses less digits than its factorization.

20434606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20434606 is about 4520.4652415432. The cubic root of 20434606 is about 273.3938596215.

The spelling of 20434606 in words is "twenty million, four hundred thirty-four thousand, six hundred six".