20496188 has 6 divisors (see below), whose sum is σ = 35868336. Its totient is φ = 10248092.

The previous prime is 20496181. The next prime is 20496211. The reversal of 20496188 is 88169402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20496181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562020 + ... + 2562027.

It is an arithmetic number, because the mean of its divisors is an integer number (5978056).

Almost surely, 2^20496188 is an apocalyptic number.

It is an amenable number.

20496188 is a deficient number, since it is larger than the sum of its proper divisors (15372148).

20496188 is a wasteful number, since it uses less digits than its factorization.

20496188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124051 (or 5124049 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 20496188 is about 4527.2715845198. The cubic root of 20496188 is about 273.6682186571.

The spelling of 20496188 in words is "twenty million, four hundred ninety-six thousand, one hundred eighty-eight".