20498316 has 24 divisors (see below), whose sum is σ = 49373184. Its totient is φ = 6612240.

The previous prime is 20498299. The next prime is 20498341. The reversal of 20498316 is 61389402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27180 + ... + 27923.

It is an arithmetic number, because the mean of its divisors is an integer number (2057216).

Almost surely, 2^20498316 is an apocalyptic number.

It is an amenable number.

20498316 is an abundant number, since it is smaller than the sum of its proper divisors (28874868).

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

20498316 is a wasteful number, since it uses less digits than its factorization.

20498316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55141 (or 55139 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 20498316 is about 4527.5065985595. The cubic root of 20498316 is about 273.6776894559.

The spelling of 20498316 in words is "twenty million, four hundred ninety-eight thousand, three hundred sixteen".