20521114 has 8 divisors (see below), whose sum is σ = 30816288. Its totient is φ = 10249020.

The previous prime is 20521099. The next prime is 20521147. The reversal of 20521114 is 41112502.

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

It is a super-2 number, since 2×20521114² = 842232239601992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3342 + ... + 7225.

It is an arithmetic number, because the mean of its divisors is an integer number (3852036).

Almost surely, 2^20521114 is an apocalyptic number.

20521114 is a deficient number, since it is larger than the sum of its proper divisors (10295174).

20521114 is a wasteful number, since it uses less digits than its factorization.

20521114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11540.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 20521114 is about 4530.0236202475. The cubic root of 20521114 is about 273.7791122963.

Adding to 20521114 its reverse (41112502), we get a palindrome (61633616).

The spelling of 20521114 in words is "twenty million, five hundred twenty-one thousand, one hundred fourteen".