20619848 has 16 divisors (see below), whose sum is σ = 38808960. Its totient is φ = 10270800.

The previous prime is 20619839. The next prime is 20619889. The reversal of 20619848 is 84891602.

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, 2588 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (2425560).

Almost surely, 2^20619848 is an apocalyptic number.

It is an amenable number.

20619848 is a deficient number, since it is larger than the sum of its proper divisors (18189112).

20619848 is a wasteful number, since it uses less digits than its factorization.

20619848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788 (or 9784 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 20619848 is about 4540.9082791882. The cubic root of 20619848 is about 274.2174911961.

The spelling of 20619848 in words is "twenty million, six hundred nineteen thousand, eight hundred forty-eight".