20053495 has 32 divisors (see below), whose sum is σ = 30643200. Its totient is φ = 12489120.

The previous prime is 20053483. The next prime is 20053513. The reversal of 20053495 is 59435002.

It is not a de Polignac number, because 20053495 - 2⁷ = 20053367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18334 + ... + 19396.

It is an arithmetic number, because the mean of its divisors is an integer number (957600).

Almost surely, 2^20053495 is an apocalyptic number.

20053495 is a deficient number, since it is larger than the sum of its proper divisors (10589705).

20053495 is a wasteful number, since it uses less digits than its factorization.

20053495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 20053495 is about 4478.1128837938. The cubic root of 20053495 is about 271.6835591555.

Adding to 20053495 its reverse (59435002), we get a palindrome (79488497).

The spelling of 20053495 in words is "twenty million, fifty-three thousand, four hundred ninety-five".