20488492 has 24 divisors (see below), whose sum is σ = 37900800. Its totient is φ = 9671376.

The previous prime is 20488463. The next prime is 20488499. The reversal of 20488492 is 29488402.

It is not an unprimeable number, because it can be changed into a prime (20488499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5859 + ... + 8677.

It is an arithmetic number, because the mean of its divisors is an integer number (1579200).

Almost surely, 2^20488492 is an apocalyptic number.

It is an amenable number.

20488492 is a deficient number, since it is larger than the sum of its proper divisors (17412308).

20488492 is a wasteful number, since it uses less digits than its factorization.

20488492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2923 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 20488492 is about 4526.4215446642. The cubic root of 20488492 is about 273.6339616483.

The spelling of 20488492 in words is "twenty million, four hundred eighty-eight thousand, four hundred ninety-two".