20248003 has 16 divisors (see below), whose sum is σ = 22546080. Its totient is φ = 18095616.

The previous prime is 20248001. The next prime is 20248009. The reversal of 20248003 is 30084202.

It is a happy number.

It is not a de Polignac number, because 20248003 - 2¹ = 20248001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20248001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32725 + ... + 33337.

It is an arithmetic number, because the mean of its divisors is an integer number (1409130).

Almost surely, 2^20248003 is an apocalyptic number.

20248003 is a deficient number, since it is larger than the sum of its proper divisors (2298077).

20248003 is a wasteful number, since it uses less digits than its factorization.

20248003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20248003 is about 4499.7781056403. The cubic root of 20248003 is about 272.5591286554.

It can be divided in two parts, 202 and 48003, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 20248003 in words is "twenty million, two hundred forty-eight thousand, three".