20450710 has 32 divisors (see below), whose sum is σ = 42227712. Its totient is φ = 6985440.

The previous prime is 20450701. The next prime is 20450719. The reversal of 20450710 is 1705402.

It is an interprime number because it is at equal distance from previous prime (20450701) and next prime (20450719).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32095 + ... + 32725.

It is an arithmetic number, because the mean of its divisors is an integer number (1319616).

Almost surely, 2^20450710 is an apocalyptic number.

20450710 is an abundant number, since it is smaller than the sum of its proper divisors (21777002).

20450710 is a wasteful number, since it uses less digits than its factorization.

20450710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20450710 is about 4522.2461233330. The cubic root of 20450710 is about 273.4656590429.

The spelling of 20450710 in words is "twenty million, four hundred fifty thousand, seven hundred ten".