20046648 has 32 divisors (see below), whose sum is σ = 50232960. Its totient is φ = 6666720.

The previous prime is 20046619. The next prime is 20046659. The reversal of 20046648 is 84664002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14883 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (1569780).

Almost surely, 2^20046648 is an apocalyptic number.

It is an amenable number.

20046648 is an abundant number, since it is smaller than the sum of its proper divisors (30186312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20046648 is a wasteful number, since it uses less digits than its factorization.

20046648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 20046648 is about 4477.3483223890. The cubic root of 20046648 is about 271.6526347192.

The spelling of 20046648 in words is "twenty million, forty-six thousand, six hundred forty-eight".