20248550 has 24 divisors (see below), whose sum is σ = 43043376. Its totient is φ = 6942240.

The previous prime is 20248541. The next prime is 20248559. The reversal of 20248550 is 5584202.

It is an interprime number because it is at equal distance from previous prime (20248541) and next prime (20248559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28577 + ... + 29276.

It is an arithmetic number, because the mean of its divisors is an integer number (1793474).

Almost surely, 2^20248550 is an apocalyptic number.

20248550 is an abundant number, since it is smaller than the sum of its proper divisors (22794826).

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

20248550 is a wasteful number, since it uses less digits than its factorization.

20248550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57872 (or 57867 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 20248550 is about 4499.8388860047. The cubic root of 20248550 is about 272.5615830291.

The spelling of 20248550 in words is "twenty million, two hundred forty-eight thousand, five hundred fifty".