20601434 has 32 divisors (see below), whose sum is σ = 38102400. Its totient is φ = 8156160.

The previous prime is 20601421. The next prime is 20601439. The reversal of 20601434 is 43410602.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20601439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9962 + ... + 11850.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 2^20601434 is an apocalyptic number.

20601434 is a deficient number, since it is larger than the sum of its proper divisors (17500966).

20601434 is a wasteful number, since it uses less digits than its factorization.

20601434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20601434 is about 4538.8802583897. The cubic root of 20601434 is about 274.1358393702.

The spelling of 20601434 in words is "twenty million, six hundred one thousand, four hundred thirty-four".