20044878 has 16 divisors (see below), whose sum is σ = 45816960. Its totient is φ = 5727096.

The previous prime is 20044873. The next prime is 20044897. The reversal of 20044878 is 87844002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238588 + ... + 238671.

It is an arithmetic number, because the mean of its divisors is an integer number (2863560).

Almost surely, 2^20044878 is an apocalyptic number.

20044878 is an abundant number, since it is smaller than the sum of its proper divisors (25772082).

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

20044878 is a wasteful number, since it uses less digits than its factorization.

20044878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477271.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 20044878 is about 4477.1506563885. The cubic root of 20044878 is about 271.6446393790.

The spelling of 20044878 in words is "twenty million, forty-four thousand, eight hundred seventy-eight".