20448802 has 16 divisors (see below), whose sum is σ = 33963552. Its totient is φ = 9155520.

The previous prime is 20448767. The next prime is 20448803. The reversal of 20448802 is 20884402.

It is not an unprimeable number, because it can be changed into a prime (20448803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5463 + ... + 8410.

It is an arithmetic number, because the mean of its divisors is an integer number (2122722).

Almost surely, 2^20448802 is an apocalyptic number.

20448802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20448802 is a deficient number, since it is larger than the sum of its proper divisors (13514750).

20448802 is a wasteful number, since it uses less digits than its factorization.

20448802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13953.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 20448802 is about 4522.0351612963. The cubic root of 20448802 is about 273.4571542248.

Subtracting 20448802 from its reverse (20884402), we obtain a square (435600 = 660²).

The spelling of 20448802 in words is "twenty million, four hundred forty-eight thousand, eight hundred two".