20496312 has 48 divisors (see below), whose sum is σ = 57929040. Its totient is φ = 6534528.

The previous prime is 20496299. The next prime is 20496317. The reversal of 20496312 is 21369402.

20496312 is a `hidden beast` number, since 20 + 4 + 9 + 631 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20496317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4533 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (1206855).

Almost surely, 2^20496312 is an apocalyptic number.

It is an amenable number.

20496312 is an abundant number, since it is smaller than the sum of its proper divisors (37432728).

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

20496312 is a wasteful number, since it uses less digits than its factorization.

20496312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12412 (or 12405 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20496312 is about 4527.2852792816. The cubic root of 20496312 is about 273.6687705449.

The spelling of 20496312 in words is "twenty million, four hundred ninety-six thousand, three hundred twelve".