20571096 has 64 divisors (see below), whose sum is σ = 63302400. Its totient is φ = 5424768.

The previous prime is 20571041. The next prime is 20571119. The reversal of 20571096 is 69017502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2526 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (989100).

Almost surely, 2^20571096 is an apocalyptic number.

20571096 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20571096 is an abundant number, since it is smaller than the sum of its proper divisors (42731304).

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

20571096 is a wasteful number, since it uses less digits than its factorization.

20571096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448 (or 9444 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 20571096 is about 4535.5370134087. The cubic root of 20571096 is about 274.0012076598.

Adding to 20571096 its reverse (69017502), we get a palindrome (89588598).

The spelling of 20571096 in words is "twenty million, five hundred seventy-one thousand, ninety-six".