20648702 has 8 divisors (see below), whose sum is σ = 31498200. Its totient is φ = 10149304.

The previous prime is 20648699. The next prime is 20648711. The reversal of 20648702 is 20784602.

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

It is a congruent number.

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, 87377 + ... + 87612.

It is an arithmetic number, because the mean of its divisors is an integer number (3937275).

Almost surely, 2^20648702 is an apocalyptic number.

20648702 is a deficient number, since it is larger than the sum of its proper divisors (10849498).

20648702 is a wasteful number, since it uses less digits than its factorization.

20648702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175050.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 20648702 is about 4544.0842861901. The cubic root of 20648702 is about 274.3453386262.

The spelling of 20648702 in words is "twenty million, six hundred forty-eight thousand, seven hundred two".