20446134 has 16 divisors (see below), whose sum is σ = 40962240. Its totient is φ = 6803720.

The previous prime is 20446133. The next prime is 20446141. The reversal of 20446134 is 43164402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20446133) 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, 1369 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (2560140).

Almost surely, 2^20446134 is an apocalyptic number.

20446134 is an abundant number, since it is smaller than the sum of its proper divisors (20516106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20446134 is a wasteful number, since it uses less digits than its factorization.

20446134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20446134 is about 4521.7401517557. The cubic root of 20446134 is about 273.4452608562.

The spelling of 20446134 in words is "twenty million, four hundred forty-six thousand, one hundred thirty-four".