20575162 has 4 divisors (see below), whose sum is σ = 30862746. Its totient is φ = 10287580.

The previous prime is 20575141. The next prime is 20575171. The reversal of 20575162 is 26157502.

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

It can be written as a sum of positive squares in only one way, i.e., 17715681 + 2859481 = 4209^2 + 1691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20575162.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5143789 + ... + 5143792.

Almost surely, 2^20575162 is an apocalyptic number.

20575162 is a deficient number, since it is larger than the sum of its proper divisors (10287584).

20575162 is a wasteful number, since it uses less digits than its factorization.

20575162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287583.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 20575162 is about 4535.9852292528. The cubic root of 20575162 is about 274.0192591290.

The spelling of 20575162 in words is "twenty million, five hundred seventy-five thousand, one hundred sixty-two".