20488462 has 4 divisors (see below), whose sum is σ = 30732696. Its totient is φ = 10244230.

The previous prime is 20488459. The next prime is 20488463. The reversal of 20488462 is 26488402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20488463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122114 + ... + 5122117.

It is an arithmetic number, because the mean of its divisors is an integer number (7683174).

Almost surely, 2^20488462 is an apocalyptic number.

20488462 is a deficient number, since it is larger than the sum of its proper divisors (10244234).

20488462 is a wasteful number, since it uses less digits than its factorization.

20488462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244233.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 20488462 is about 4526.4182307869. The cubic root of 20488462 is about 273.6338280933.

The spelling of 20488462 in words is "twenty million, four hundred eighty-eight thousand, four hundred sixty-two".