20372496 has 40 divisors (see below), whose sum is σ = 54056064. Its totient is φ = 6606720.

The previous prime is 20372491. The next prime is 20372507. The reversal of 20372496 is 69427302.

It is not an unprimeable number, because it can be changed into a prime (20372491) 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 in 7 ways as a sum of consecutive naturals, for example, 3960 + ... + 7511.

Almost surely, 2^20372496 is an apocalyptic number.

It is an amenable number.

20372496 is an abundant number, since it is smaller than the sum of its proper divisors (33683568).

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

20372496 is a wasteful number, since it uses less digits than its factorization.

20372496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11519 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 20372496 is about 4513.5901453278. The cubic root of 20372496 is about 273.1165893620.

Adding to 20372496 its reverse (69427302), we get a palindrome (89799798).

The spelling of 20372496 in words is "twenty million, three hundred seventy-two thousand, four hundred ninety-six".