20450488 has 16 divisors (see below), whose sum is σ = 38405880. Its totient is φ = 10208928.

The previous prime is 20450467. The next prime is 20450489. The reversal of 20450488 is 88405402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4531 + ... + 7837.

Almost surely, 2^20450488 is an apocalyptic number.

It is an amenable number.

20450488 is a deficient number, since it is larger than the sum of its proper divisors (17955392).

20450488 is a wasteful number, since it uses less digits than its factorization.

20450488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4082 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 20450488 is about 4522.2215779415. The cubic root of 20450488 is about 273.4646695158.

The spelling of 20450488 in words is "twenty million, four hundred fifty thousand, four hundred eighty-eight".