20746248 has 16 divisors (see below), whose sum is σ = 51865680. Its totient is φ = 6915408.

The previous prime is 20746247. The next prime is 20746249. The reversal of 20746248 is 84264702.

It is an interprime number because it is at equal distance from previous prime (20746247) and next prime (20746249).

It is not an unprimeable number, because it can be changed into a prime (20746241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432190 + ... + 432237.

It is an arithmetic number, because the mean of its divisors is an integer number (3241605).

Almost surely, 2^20746248 is an apocalyptic number.

It is an amenable number.

20746248 is an abundant number, since it is smaller than the sum of its proper divisors (31119432).

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

20746248 is a wasteful number, since it uses less digits than its factorization.

20746248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864436 (or 864432 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 20746248 is about 4554.8049354500. The cubic root of 20746248 is about 274.7766693685.

The spelling of 20746248 in words is "twenty million, seven hundred forty-six thousand, two hundred forty-eight".