20537095 has 4 divisors (see below), whose sum is σ = 24644520. Its totient is φ = 16429672.

The previous prime is 20537093. The next prime is 20537113. The reversal of 20537095 is 59073502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20537095 - 2¹ = 20537093 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20537093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053705 + ... + 2053714.

It is an arithmetic number, because the mean of its divisors is an integer number (6161130).

Almost surely, 2^20537095 is an apocalyptic number.

20537095 is a deficient number, since it is larger than the sum of its proper divisors (4107425).

20537095 is an equidigital number, since it uses as much as digits as its factorization.

20537095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107424.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 20537095 is about 4531.7871750558. The cubic root of 20537095 is about 273.8501631617.

The spelling of 20537095 in words is "twenty million, five hundred thirty-seven thousand, ninety-five".