20260577 has 8 divisors (see below), whose sum is σ = 21181440. Its totient is φ = 19356480.

The previous prime is 20260567. The next prime is 20260609. The reversal of 20260577 is 77506202.

It is a happy number.

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 20260577 - 2¹⁴ = 20244193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20260547) 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, 1688 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (2647680).

Almost surely, 2^20260577 is an apocalyptic number.

It is an amenable number.

20260577 is a deficient number, since it is larger than the sum of its proper divisors (920863).

20260577 is an equidigital number, since it uses as much as digits as its factorization.

20260577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 20260577 is about 4501.1750688015. The cubic root of 20260577 is about 272.6155366759.

Adding to 20260577 its reverse (77506202), we get a palindrome (97766779).

The spelling of 20260577 in words is "twenty million, two hundred sixty thousand, five hundred seventy-seven".