20488174 has 12 divisors (see below), whose sum is σ = 35749944. Its totient is φ = 8780604.

The previous prime is 20488159. The next prime is 20488177. The reversal of 20488174 is 47188402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20488177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104434 + ... + 104629.

It is an arithmetic number, because the mean of its divisors is an integer number (2979162).

Almost surely, 2^20488174 is an apocalyptic number.

20488174 is a deficient number, since it is larger than the sum of its proper divisors (15261770).

20488174 is a wasteful number, since it uses less digits than its factorization.

20488174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209079 (or 209072 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 20488174 is about 4526.3864174416. The cubic root of 20488174 is about 273.6325459585.

The spelling of 20488174 in words is "twenty million, four hundred eighty-eight thousand, one hundred seventy-four".