20349604 has 12 divisors (see below), whose sum is σ = 38849328. Its totient is φ = 9249800.

The previous prime is 20349601. The next prime is 20349611. The reversal of 20349604 is 40694302.

It is not an unprimeable number, because it can be changed into a prime (20349601) 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, 231202 + ... + 231289.

It is an arithmetic number, because the mean of its divisors is an integer number (3237444).

Almost surely, 2^20349604 is an apocalyptic number.

It is an amenable number.

20349604 is a deficient number, since it is larger than the sum of its proper divisors (18499724).

20349604 is a wasteful number, since it uses less digits than its factorization.

20349604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462506 (or 462504 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 20349604 is about 4511.0535354837. The cubic root of 20349604 is about 273.0142532151.

The spelling of 20349604 in words is "twenty million, three hundred forty-nine thousand, six hundred four".