20946548 has 12 divisors (see below), whose sum is σ = 41893152. Its totient is φ = 8977080.

The previous prime is 20946529. The next prime is 20946553. The reversal of 20946548 is 84564902.

20946548 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 374018 + ... + 374073.

It is an arithmetic number, because the mean of its divisors is an integer number (3491096).

Almost surely, 2^20946548 is an apocalyptic number.

20946548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20946548 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20946548 is a wasteful number, since it uses less digits than its factorization.

20946548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748102 (or 748100 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 20946548 is about 4576.7398877367. The cubic root of 20946548 is about 275.6581393644.

The spelling of 20946548 in words is "twenty million, nine hundred forty-six thousand, five hundred forty-eight".