20498346 has 40 divisors (see below), whose sum is σ = 50111424. Its totient is φ = 6211080.

The previous prime is 20498341. The next prime is 20498353. The reversal of 20498346 is 64389402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20498346.

It is not an unprimeable number, because it can be changed into a prime (20498341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3970 + ... + 7533.

Almost surely, 2^20498346 is an apocalyptic number.

20498346 is an abundant number, since it is smaller than the sum of its proper divisors (29613078).

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

20498346 is a wasteful number, since it uses less digits than its factorization.

20498346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11528 (or 11519 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 20498346 is about 4527.5099116402. The cubic root of 20498346 is about 273.6778229681.

The spelling of 20498346 in words is "twenty million, four hundred ninety-eight thousand, three hundred forty-six".