20496604 has 6 divisors (see below), whose sum is σ = 35869064. Its totient is φ = 10248300.

The previous prime is 20496587. The next prime is 20496607. The reversal of 20496604 is 40669402.

It is a super-2 number, since 2×20496604² = 840221551065632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20496607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562072 + ... + 2562079.

Almost surely, 2^20496604 is an apocalyptic number.

It is an amenable number.

20496604 is a deficient number, since it is larger than the sum of its proper divisors (15372460).

20496604 is a wasteful number, since it uses less digits than its factorization.

20496604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124155 (or 5124153 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 20496604 is about 4527.3175280733. The cubic root of 20496604 is about 273.6700701430.

The spelling of 20496604 in words is "twenty million, four hundred ninety-six thousand, six hundred four".