20628848 has 10 divisors (see below), whose sum is σ = 39968424. Its totient is φ = 10314416.

The previous prime is 20628823. The next prime is 20628859. The reversal of 20628848 is 84882602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644636 + ... + 644667.

Almost surely, 2^20628848 is an apocalyptic number.

It is an amenable number.

20628848 is a deficient number, since it is larger than the sum of its proper divisors (19339576).

20628848 is a wasteful number, since it uses less digits than its factorization.

20628848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289311 (or 1289305 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 20628848 is about 4541.8991622448. The cubic root of 20628848 is about 274.2573815394.

The spelling of 20628848 in words is "twenty million, six hundred twenty-eight thousand, eight hundred forty-eight".