20486488 has 16 divisors (see below), whose sum is σ = 41904360. Its totient is φ = 9312000.

The previous prime is 20486449. The next prime is 20486489. The reversal of 20486488 is 88468402.

It is a self number, because there is not a number n which added to its sum of digits gives 20486488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486489) 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 3 ways as a sum of consecutive naturals, for example, 116313 + ... + 116488.

Almost surely, 2^20486488 is an apocalyptic number.

It is an amenable number.

20486488 is an abundant number, since it is smaller than the sum of its proper divisors (21417872).

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

20486488 is a wasteful number, since it uses less digits than its factorization.

20486488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232818 (or 232814 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 20486488 is about 4526.2001723300. The cubic root of 20486488 is about 273.6250398865.

The spelling of 20486488 in words is "twenty million, four hundred eighty-six thousand, four hundred eighty-eight".