20760577 has 8 divisors (see below), whose sum is σ = 21363264. Its totient is φ = 20165808.

The previous prime is 20760547. The next prime is 20760601. The reversal of 20760577 is 77506702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20760577 - 2¹⁹ = 20236289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20760527) 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, 3558 + ... + 7360.

It is an arithmetic number, because the mean of its divisors is an integer number (2670408).

Almost surely, 2^20760577 is an apocalyptic number.

It is an amenable number.

20760577 is a deficient number, since it is larger than the sum of its proper divisors (602687).

20760577 is a wasteful number, since it uses less digits than its factorization.

20760577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959.

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

The square root of 20760577 is about 4556.3776182402. The cubic root of 20760577 is about 274.8399156444.

The spelling of 20760577 in words is "twenty million, seven hundred sixty thousand, five hundred seventy-seven".