20552193 has 12 divisors (see below), whose sum is σ = 30411108. Its totient is φ = 13367040.

The previous prime is 20552177. The next prime is 20552249. The reversal of 20552193 is 39125502.

20552193 is a `hidden beast` number, since 20 + 552 + 1 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12446784 + 8105409 = 3528^2 + 2847^2 .

It is not a de Polignac number, because 20552193 - 2⁴ = 20552177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20552143) 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, 27480 + ... + 28217.

It is an arithmetic number, because the mean of its divisors is an integer number (2534259).

Almost surely, 2^20552193 is an apocalyptic number.

It is an amenable number.

20552193 is a deficient number, since it is larger than the sum of its proper divisors (9858915).

20552193 is a wasteful number, since it uses less digits than its factorization.

20552193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55744 (or 55741 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 20552193 is about 4533.4526577433. The cubic root of 20552193 is about 273.9172543932.

Adding to 20552193 its reverse (39125502), we get a palindrome (59677695).

The spelling of 20552193 in words is "twenty million, five hundred fifty-two thousand, one hundred ninety-three".