20077044 has 96 divisors (see below), whose sum is σ = 53606784. Its totient is φ = 5806080.

The previous prime is 20077033. The next prime is 20077067. The reversal of 20077044 is 44077002.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 274992 + ... + 275064.

It is an arithmetic number, because the mean of its divisors is an integer number (558404).

Almost surely, 2^20077044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20077044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26803392).

20077044 is an abundant number, since it is smaller than the sum of its proper divisors (33529740).

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

20077044 is a wasteful number, since it uses less digits than its factorization.

20077044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 20077044 is about 4480.7414565003. The cubic root of 20077044 is about 271.7898643724.

The spelling of 20077044 in words is "twenty million, seventy-seven thousand, forty-four".