20576077 has 4 divisors (see below), whose sum is σ = 20588256. Its totient is φ = 20563900.

The previous prime is 20576047. The next prime is 20576117. The reversal of 20576077 is 77067502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20576077 - 2¹⁵ = 20543309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20576027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3049 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (5147064).

Almost surely, 2^20576077 is an apocalyptic number.

It is an amenable number.

20576077 is a deficient number, since it is larger than the sum of its proper divisors (12179).

20576077 is a wasteful number, since it uses less digits than its factorization.

20576077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12178.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 20576077 is about 4536.0860882483. The cubic root of 20576077 is about 274.0233210477.

The spelling of 20576077 in words is "twenty million, five hundred seventy-six thousand, seventy-seven".