20488954 has 16 divisors (see below), whose sum is σ = 33396480. Its totient is φ = 9391680.

The previous prime is 20488943. The next prime is 20488997. The reversal of 20488954 is 45988402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7519 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (2087280).

Almost surely, 2^20488954 is an apocalyptic number.

20488954 is a deficient number, since it is larger than the sum of its proper divisors (12907526).

20488954 is a wasteful number, since it uses less digits than its factorization.

20488954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17445.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 20488954 is about 4526.4725780678. The cubic root of 20488954 is about 273.6360183792.

The spelling of 20488954 in words is "twenty million, four hundred eighty-eight thousand, nine hundred fifty-four".