20488274 has 8 divisors (see below), whose sum is σ = 31482108. Its totient is φ = 9994240.

The previous prime is 20488231. The next prime is 20488291. The reversal of 20488274 is 47288402.

It can be written as a sum of positive squares in 2 ways, for example, as 19936225 + 552049 = 4465^2 + 743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124847 + ... + 125010.

Almost surely, 2^20488274 is an apocalyptic number.

20488274 is a deficient number, since it is larger than the sum of its proper divisors (10993834).

20488274 is a wasteful number, since it uses less digits than its factorization.

20488274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249900.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 20488274 is about 4526.3974637674. The cubic root of 20488274 is about 273.6329911456.

The spelling of 20488274 in words is "twenty million, four hundred eighty-eight thousand, two hundred seventy-four".