20095245 has 12 divisors (see below), whose sum is σ = 34831836. Its totient is φ = 10717440.

The previous prime is 20095237. The next prime is 20095247. The reversal of 20095245 is 54259002.

It can be written as a sum of positive squares in 2 ways, for example, as 9771876 + 10323369 = 3126^2 + 3213^2 .

It is not a de Polignac number, because 20095245 - 2³ = 20095237 is a prime.

It is a super-2 number, since 2×20095245² = 807637743220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20095247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223236 + ... + 223325.

It is an arithmetic number, because the mean of its divisors is an integer number (2902653).

Almost surely, 2^20095245 is an apocalyptic number.

It is an amenable number.

20095245 is a deficient number, since it is larger than the sum of its proper divisors (14736591).

20095245 is a wasteful number, since it uses less digits than its factorization.

20095245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446572 (or 446569 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 20095245 is about 4482.7720218633. The cubic root of 20095245 is about 271.8719706361.

The spelling of 20095245 in words is "twenty million, ninety-five thousand, two hundred forty-five".