20477368 has 32 divisors (see below), whose sum is σ = 39690000. Its totient is φ = 9898240.

The previous prime is 20477363. The next prime is 20477377. The reversal of 20477368 is 86377402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20477363) 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, 48663 + ... + 49081.

Almost surely, 2^20477368 is an apocalyptic number.

It is an amenable number.

20477368 is a deficient number, since it is larger than the sum of its proper divisors (19212632).

20477368 is a wasteful number, since it uses less digits than its factorization.

20477368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 20477368 is about 4525.1925925865. The cubic root of 20477368 is about 273.5844305060.

The spelling of 20477368 in words is "twenty million, four hundred seventy-seven thousand, three hundred sixty-eight".